Author's Notes: Here we are at the last chapter. Please note that Harry has not been told that Wizard marks are different from Muggle ones. Oh, and don't miss the extra scene I included after the end, the blurb for the sequel, and the afterword about Harry's genealogy. I won't be updating this story with new chapters just in case you were wondering how I would post the sequel, Harry and the Captured Pawn.

Many thanks for reading!

Edit 17-01-2015: Thanks AJ Granger for noticing that I inadvertently left out Mr. and Mrs. Tonks (i.e. Andromeda), who are both hale and hearty at this time in the books.

Harry had forgotten that the exam results were to come, but come that morning they did by owl. He hadn't made the top scores among the Slytherin first years; that was a distinction awarded to Sally-Anne and Malfoy, who received special certificates declaring them Outstanding Lodestars. Malfoy said he'd have it framed next to his Quidditch Tyke Team Trophies. Everyone else had said they had an abysmal mark in one of the subjects and a fantastic mark in another. Harry kept checking his sheet again. He'd made straight A's. He tried to remember the last time he'd had such good marks.

Crabbe and Goyle had barely scraped through, but they were delighted. Goyle mentioned that he'd been worried about getting kicked out of Hogwarts for poor grades, though it rarely happened. Harry had had no idea of the pressure there had been on the two boys to pass their tests.

With a flick of their wands, the other Slytherin boys had emptied their wardrobes and packed their trunks. Somewhere along this time, Hedwig flew through the first years' door and landed on Harry's packed trunk. Harry had received a notice to pack up as well and the instructions that he would not be returning to London by the Hogwarts Express.

In the common room, the nine first years were crowded around Harry, who looked much recovered from a dreamless sleep. He'd just finished restocking Hedwig's cage with food and fresh water when she made a screech and hopped onto his shoulder to nip his ear. He hadn't greeted her properly yet.

He lightly brushed her feathers. "Hullo, Hedwig."

With a satisfied air, Hedwig hopped into her cage, taking a sip from her water bottle, as Harry closed the cage door.

"You must come visit me over the summer!" Draco demanded, bringing Harry's attention to what his year-mates were talking about.

"Don't hog him for the whole summer break," Theodore said.

"Yes, don't! Daphne and Tracey will be visiting me right before school starts, and Harry should come see us then," Parkinson said innocently enough, though her tone brooked no argument.

Even Bulstrode looked expectant.

"Well, Crabbe and Goyle will visit me next month. Of course, Harry will stay with me first," Malfoy added.

"Harry, you know that favor you owe me?" Sally-Anne said slyly.

The other eight students looked at her interest piqued.

Harry grinned brazenly, remembering that moment in the library. "Yes, I do."

"You will visit me first, won't you?" Sally-Anne commanded politely.

Harry tried not to suppress his good humor. He'd never been so popular before. "If I can get permission from whoever my new guardians will be, I will," he promised her, though he meant it for all his year-mates.

"I suppose we should schedule his time out in increments. Does one week per person sound reasonable? That way he has time to adjust to his new family and those of us who have multiple friends over get to have Harry stay over longer," Davis piped up.

Harry rubbed his face in exasperation as a heated debate broke out among them about what constituted a week and whether that included full days and would they be going by sunrise to sunrise, sundown to sundown, or some other method of measuring time.

Mercifully, Professor Snape appeared gathering everyone's attention. "Students! I must remind you that if you are underage, you are disallowed from using magic outside of a school setting. I have a note," he said disdainfully, "Should you need a hard-copy to remind you. The Ministry will be monitoring you closely. Multiple infractions will result in expulsion from Hogwarts. Do not give the Ministry cause to break your wand and bring dishonor to your house and your family name." Professor Snape paused and looked at them all. "Have a well-rested summer break. I sincerely hope I see none of you during my vacation."

The Slytherins broke out into riotous laughter.

After numerous farewells towards their professor and Harry, Harry's housemates filtered out in groups, until only he and Professor Snape remained.

"Leave your things here. Someone will collect them later."

"Yes, sir." Harry gave Hedwig a little wave, and she squawked her displeasure that she had to stay longer in her cage and then went back to preening.

As Professor Snape led Harry down the corridor, Harry's stomach fluttered nervously as a new thought occurred to him. A horrid family he could deal with… But what if his new family treated him like a celebrity? Harry certainly hoped that wouldn't be the case.

They entered the Great Hall. The tables had been pushed to the sides and a colossal piece of parchment covered the remaining floor from the double doors Harry had just entered through to below the steps in front of the High Table.

Harry recognized the Minister of Magic speaking with Dumbledore. There were twelve other wizards and witches having heated discussions or directing one another in some action. They had—Harry was startled to see—all of them down to Professor Dumbledore and the Minister had strange bright yellow gauze wrapped around their shoes. There was a pointy-faced man with long platinum blond hair and a cane who stood imperiously next to the Minister, and when his eyes met Harry's gaze he smiled slowly.

It had to be Draco's father. The resemblance was uncanny, though the semblance ended at the deadened look in the adult's cloudy grey eyes. This was someone who knew cruelty; whether because he imparted it or had been on the receiving end of it, Harry wouldn't know until he spoke with him.

"Lift your foot, Potter."

Harry did and Professor Snape tapped Harry's trainer. A piece of neon yellow gauze flung off the table next to him and bound itself to his trainer, nearly knocking Harry over. Without needing to be asked, Harry silently offered his other foot and the process was repeated.

As this occurred, Harry looked about and saw two giant barrels on wheel-less wooden-platforms sitting off to two corners of the room. These platforms both had a long looped handle made of metal sticking from the side of it. Harry thought they resembled floating trolleys.

"Well, well! If it isn't Harry Potter himself!" The jovial Minister said abandoning the two powerful wizards next to him. He pressed his hands together. "It is very good to have you here, Harry. How are you this fine day?"

"Alright…" Harry wasn't sure what it was about this man that he didn't like.

"Good, good. My name is Cornelius Fudge. I'm the Minister of Magic. This is Lucius Malfoy. If it weren't for this gentleman, we wouldn't have been able to finance this endeavor."

Draco's father tilted his head in poised acknowledgement.

Minister Fudge cleared his throat, glancing beside him. Without even asking, he wrapped an arm around Harry's shoulder and took his hand in a shake. "Smile, Harry!"

Before Harry could react, a bright light flashed towards him as what he thought was phosphate powder ignited. A puff of purple smoke followed thereafter.

The Minister backed off. "Now, Harry, I'm sure you're very excited to find a proper family. It was appalling what those Muggles did to you. Truly dreadful and unfortunate. If only we'd known about their anti-magic prejudices sooner."

Harry decided not to say a word towards the adult because the Minister of Magic acted just like a new car salesman. Harry loathed car salesmen and their oily way of convincing people that they knew what you liked better than you did. He'd ended up accidentally letting the air out of all the tires of the shiny new cars in a car lot when one had insisted that he absolutely loved being crammed into the backseat with his cousin. That had been the first and last time the Dursleys had ever taken him to buy a new car.

The Minister cleared his throat nervously and clapped his hands together. "Well! There is one very crucial ingredient we need to begin our massive undertaking. Harry, might you extend your hand to Potions Master Snape…?"

Harry turned to the professor and held his hand out to him.

The barrel had been moved to stand nearly as high as Harry's chest. Its lid had been removed and inside roiled a black sludge that at times glistened purple or green.

"Hold still. This will sting," Professor Snape murmured. He pricked Harry's thumb with the tip of a short silver knife and held it over the barrel.

The moment several drops of his blood touched the mega-size potion it glowed gold momentarily and then turned transparent.

Professor Snape pressed a clean bandage to Harry's thumb. From a hook off the edge of the barrel, Professor Snape dipped the ladle into the potion, inspecting it.

"Well?" The Minister said impatiently.

"It is done. Where do you want to have it take root?" came Professor Snape's bored reply.

"Might I recommend the far right corner, Minister?" Professor Dumbledore suggested.

"If you believe that's the place to put it, then that's where it will go."

Three of the awaiting people came forward and pushed the floating wooden platform to where the headmaster specified. Then carefully, oh so carefully, they took a ladleful and carefully poured it. At first nothing happened.

Harry stepped closer to see if there'd been any effect, and then ink began to well up to the surface of the parchment tracing out lines that formed names and incoherent doodles that cleared into portraits. At the very bottom was Harry. His portrait was very animated, his green eyes were flashing mischievously over a broad grin. He couldn't seem to sit still in the picture as he looked this way and that as if he had half a mind to try to climb out of the frame. Harry thought it was some odd doppelganger because he hardly thought he was that fidgety.

Bold lines connected him to his parents, but unlike Harry's miniature portrait his parent's portraits were stiff like Muggle photos.

The barrel was re-angled and then a spigot was opened. It poured onto Harry's portrait and suddenly the lines rushed out from his father like an overactive spider weaving a web.

The awaiting wizards and witches converged onto the dizzying amount of revealed portraits, floating quills and parchment following them.

A portrait of a man with black, straggly hair and slightly crazed black eyes appeared next to Harry's portrait. The adult didn't move, save for his sad eyes which twitched in a guilty manner from the portrait of Harry's dad to his mum to Harry and back to his dad. Below this man, read Sirius Black, Godfather.

"Why was I put with the Dursleys if I've got a godfather, professor?"

Professor Snape looked down at Harry with an unreadable expression. "Sirius Black is in Azkaban."

Harry knew Azkaban from the scrolls Snape had assigned him. It was a prison made for magical criminals guarded by grim Dark creatures called Dementors. Shivering, Harry followed the curvy thick line leading upward and out. The names always showed first followed by the portraits, most of which were still as death and darkened. But then bright green backgrounds began to appear behind some portraits towards the middle and right far edge of the immense sheet of parchment.

"Why are some green?" Harry asked.

"Denotes either Squibs or Muggles," Lucius Malfoy responded coolly.

Harry followed his family tree up, curious of the names. He recognized many of the portraits from the Mirror of Erised. As he moved towards the middle, he noticed that the names no longer ended with Potter.

"What about these two?" Harry asked, pointing out a wild-eyed, wild-haired witch who appeared to be screaming excitedly. Her name was Bellatrix Lestrange née Black she was married to a stringy, black-haired wizard named Rodolphous Lestrange. They were both moving in their portraits and had a stringy, nervous-looking son named Pike Lestrange.

"Also in Azkaban," Professor Snape answered.

Harry frowned, wondering what that meant for their son. So either his family members were dead or were bad guys or orphans… His eyes traveled over the other living portraits of non-Potter names… There was a middle-aged Weasley née Prewett witch, who was Harry's great uncle's daughter. Below the portrait of an older witch and wizard was a youthful Tonks witch, who was a niece to Bellatrix Lestrange—and… "I'm related to Draco?" Harry couldn't believe what he was seeing. There was Draco's face smirking contemptuously from his animated portrait. Above him, Lucius Malfoy was quietly smug in his poise.

Harry's relation was through Draco's mother who was a great-niece to his great-grandmother, Dorea Potter née Black. Narcissa Malfoy had even paler blond hair and sharp cold eyes. If Harry hadn't read the letter Narcissa Malfoy née Black had sent to Draco, he wouldn't have believed she was capable of warmth.

Two of Draco's grandparents were alive, his paternal grandmother—Isabella Malfoy née Burke—and maternal grandfather, Cygnus Black, and Draco had a living aunt and uncle on his mother's side, the very same Lestranges who were imprisoned in Azkaban. Harry noticed a dashed line coming from the son of the Lestranges to connect to the line that Draco's portrait resided on. Draco's father didn't have any siblings or any other heirs.

"That's why you're paying for all this. You don't have any other sons," Harry said.

"On the contrary," here Draco's father pointed at the line connecting Pike Lestrange to the Malfoys with his cane, "I adopted my nephew and raised him alongside my only son."

The thought of being adopted by the Malfoys had never factored into Harry's mind until then. Harry absolutely hated the idea.

"Minister Fudge," Mr. Malfoy announced loftily, "I formally pledge my household to be assessed by the Office of Ward-ships and Guardians of Underage Wizards."

"The blood kinship isn't close enough," Professor Dumbledore said matter-of-factly.

A slight sneer twisted on Lucius Malfoy's face before he covered it up. "My wife is Harry's second cousin, once-removed. The Blood Wards will hold."

Harry almost asked why no one suggested Molly Weasley née Prewett. Maybe it was because she already had enough children to look after... Harry didn't suggest her mainly because Ron Weasley didn't seem like a better pick over Draco. They were both arrogant, prejudiced toerags.

"Perhaps the Minister would like to analyze Mr. Potter's maternal lineage?" Professor Dumbledore suggested calmly.

Minister Fudge ruminated this, glancing at Mr. Malfoy's confident smile. "I'm sorry, Albus, but the potion simply takes too long to brew and—"

"Minister," Professor Snape said behind them.

Harry knew he'd seen another barrel!

"Of course, I used my own money to ensure that the strongest blood protection can be provided for Harry," the headmaster said.

"I—well," the Minister said clearing his throat after he eyed the barrel, "Since you already have it, might as well use it, eh, Lucius?"

Harry saw that Draco's father looked as if he'd swallowed a bug.

"Potter, your left hand," Professor Snape said curtly.

Harry wondered why he couldn't just re-open the cut on his other thumb. The knife Professor Snape pulled out looked like it was forged gold. After a sharp sting on Harry's left thumb, the potion belched silver light. Harry covered the bandage from his right hand over his left and stepped out of the way.

Professor Snape examined the potion and pushed the floating platform to the far left corner. Harry and the others followed closely. The Potions Master ladled out a tiny portion. Once the three portraits had set, he opened the spigot onto Harry's portrait.

This time a thick line sprang from his mother's lifeless portrait. Aunt Petunia and Uncle Dursley appeared and so did Dudley, their portraits set upon a bright green backdrop. The line kept spreading out traveling up the maternal line. There were distant cousins also bright green, but Harry doubted the Ministry would let another Muggle family take him in. Then after a great swath of lifeless portraits, the family name changed more regularly. Solid British names were written every which way and then the thick line did something unusual. It migrated to the middle and sprouted outward. There was a Trelawney witch, a couple of Lovegoods, and Selwyns, but Harry shared only a very distant ancestor with them.

The family name stabilized to Prince and then Harry watched in fascination as stiff portrait after stiff portrait appeared, filling out the center of the parchment occasionally intermarrying with the Potters. So far, his mother's tree was full of lifeless or green-backed portraits, until lines began to sprout from his mother's mother, Pearl Evans née Prince.

Harry saw an animated portrait of a sour-faced woman. Looking at the dizzying amount of lines connecting her to his family tree, Harry saw that the witch was his great-aunt, a much closer blood-link than the Malfoys'. He looked back to her portrait to see that many more lines had lazily curled from her, since she had remarried several times.

Her name was Augusta Longbottom née Prince! She had a hollow line connected to the deceased Leon Prince. Their daughter, Eileen, married a man with the family name of Snape. Both of their portraits were dark and still.

Harry held his breath as Severus Snape's living portrait appeared and scowled up at him.

He looked up at his professor shyly. However, Professor Snape wasn't looking in his direction; he was staring down Lucius Malfoy.

"I open my household," Professor Snape said with great relish, "for assessment by the Office of Ward-ships and Guardians for Underage Wizards."

"You will most certainly fail, Severus," Mr. Malfoy said casually.

"Not with my suggestion. Being Harry's second cousin means Severus is of closer blood-kin than Narcissa is," Professor Dumbledore interjected cheerfully.

Lucius Malfoy looked at Professor Snape with a calculating eye. "Surely if you wanted to burden yourself with a child, you would have settled down by now," he quipped.

Professor Snape drawled, "Interesting as it was always my perception that you never wanted another child. As I recall, you've mentioned on several occasions that you had no desire for more brats..."

Mr. Malfoy gripped the handle of his cane. For a moment, Harry was afraid the man was about to brain Professor Snape with it. "I hardly believe a former Death Eater would be allowed to parent the very child that brought your master's demise."

Harry's eyes popped open. Professor Snape… a former supporter of Voldemort. After everything Professor Snape had done for him, after being so protective… Harry almost couldn't believe it.

"Gentlemen, gentlemen, please take up this dispute in court," Minister Fudge interrupted. "I declare this a success! Harry, my boy, you'll soon be placed. Besides Severus and Lucius, there are several other contenders."

"Can't I just pick who I want to be with and be done with it?" Harry said irately.

"Now, now, there's a procedure that must be followed—"

"Oh, because that worked exceedingly well when I was placed as a baby." Harry glared at the Minister of Magic, who grew flustered. "I confess that I don't want to be placed with someone I don't know."

Out of the corner of his eyes, Lucius Malfoy appeared to look self-assured once more.

"That's why I want Professor Snape to be my Guardian."

"All in due time, my boy. I'm sure the courts will take that into consideration."

Before Harry could clearly tell them he was not staying with Lucius Malfoy, the headmaster came to his side. "Come along, Harry."

Harry didn't want to, but one look from Professor Snape told him that he better keep his mouth shut and his head down.

Once they had gone into the outside corridor, the headmaster tapped Harry's trainers and his own, and the flaps of yellow gauze floated back into the other room.

"Sir… They won't make me stay with Mr. Malfoy... will they?"

"I highly doubt that, now that it's been discovered that there are three potential guardians who are closer kin than a Malfoy."

"But he can influence the Ministry!" Harry said heatedly keeping his voice low.

"That may be, but he has minimal influence in the Wizengamot, the wizard courts which will decide where you will be placed."

"How long will it take?"

"It should take no more than a week or two, less than a month. Until a majority ruling is made, you will lodge at Hogwarts with me."

They were heading some place Harry had never bothered to go before. When they stopped, in front of them was a stone gargoyle; as soon as Professor Dumbledore said, "Lollipops", the statue hopped aside. "Your possessions are already waiting for you in your new rooms." Following the headmaster's lead, Harry stepped onto the staircase behind the headmaster and immediately the entire thing lifted, turning like a screw, until the entrance they had passed through was blocked by stone.

"This is my personal office," Professor Dumbledore said, gesturing towards the door straight ahead and instead of moving forward he turned sharply to the left.

Soon they passed through another door into a room that looked like a much smaller Slytherin common room. Harry felt instantly at home.

"Dinner will be served in here at six on that table." The headmaster gestured to it, which sat beneath a large portrait of a man leaning against a peach, who waved at Harry. "I wish I could join you. Alas, I have suddenly found myself swimming in bureaucratic papers and Spellotape a mile wide. I must get a head start."

"Thank you, sir."

"It is little trouble, Harry." And the old wizard left.

Harry looked around his 'rooms'. It was about the size of the Dursleys first floor, without a kitchen. There was the main room with the fireplace and eating area, his bedroom with a large set of windows, and a tidy restroom.

If he had to stay cooped up in here, Harry didn't think he'd last three days. Well, he thought, at least I have the rest of the summer holiday to look forward to without the Dursleys.

Harry hoped that the courts would rule in Professor Snape's favor.

~*The End*~

The Malfoy-Snape confrontation from a different perspective...

Lucius Malfoy looked at Severus Snape with a calculating eye. "Surely if you wanted to burden yourself with a child, you would have settled down by now," he quipped.

Severus drawled, "Interesting, as it was always my perception that you never wanted another child. As I recall, you've mentioned on several occasions that you had no desire for more bratsto watch over..."

The Potions Master knew he had hit a nerve when Lucius tightly gripped his hidden wand. After all, the Dark Lord had tasked Lucius to watch over and provide for any children of those Death Eaters killed or imprisoned, whether those children were pure-blood bastards or Half-Bloods.

"I hardly believe a former Death Eater would be allowed to parent the very child that brought your master's demise," Lucius said with barely contained malice. Amusement lit into Severus at the irony of that statement, but he did not allow it to show.

The doddering Minister of Magic moved between the two wizards, likely alarmed that they might start dueling on the spot. "Gentlemen, gentlemen, please take up this dispute in court," he pleaded, eyes jerking towards the frowning Boy-Who-Lived. "I declare this a success! Harry, my boy, you'll soon be placed. Besides Severus and Lucius, there are several other contenders."

"Can't I just pick who I want to be with and be done with it?" The boy said in an annoyed tone.

"Now, now, there's a procedure that must be followed—"

"Oh, because that worked exceedingly well when I was placed as a baby." At the boy's cheeky defiance, Lucius smirked and Severus scowled. The incompetent Fudge was embarrassingly flustered from the glare of an eleven-year old. "I confess that I don't want to be placed with someone I don't know," the boy continued

Lucius sent a victorious look to Severus that oozed confidence. The older wizard obviously thought that the boy wanted to live with Draco after barely tolerating him all school year. Severus thought that Draco had perhaps relayed a deep confidence of his growing friendship with the Boy-Who-Lived in his weekly letters to Lucius.

"That's why I want Professor Snape to be my Guardian."

Severus smirked at the look of outrage on Lucius' face.

"All in due time, my boy," Fudge said nervously, "I'm sure the courts will take that into consideration."

Before the boy could say anything else, the headmaster steered him towards the door. "Come along, Harry."

The boy looked up hesitantly towards Severus obviously seeking permission. The Potions Master didn't react, and the boy quickly turned away.

"Excuse my rudeness, Minister, but I have need to speak to my son's godfather, privately," Lucius said smoothly.

"Of course, of course."

They walked to the corner of the Great Hall. Severus could feel several variations of Silencing Wards cast nonverbally around them.

"The Boy-Who-Lived trusts you," Lucius said abruptly, sounding amazed. "You. Even after learning about your unsavory history."

"Don't be fooled by his wide-eyed appearance; the boy doesn't fully trust anyone."

"Only fools trust completely," Lucius agreed. "For you to interfere... that meddlesome old fool must have ordered you to take custody of him. You can't possibly want the trouble of rearing a child." When Severus said nothing, Lucius smiled slowly. "Or perhaps you've gotten soft? Perhaps... you've gotten attached—"

"Where you see weakness, I see great opportunity. You've heard the rumors of what took place in the bowels of Hogwarts...?" Severus smiled slowly. "They are true as well you know."

"Ah," the Malfoy Patriarch said through his nose. "So you aim to use the boy as a peace offering... Clever, Severus... and as cold-blooded as ever."

"You didn't set the Wards if you wished to speak only about the boy's future placement."

"No," Lucius agreed. "There is some rubbish that needs to be disposed of, before my manor is… child-proofed. As it is, there is noise pollution and unsolicited post. Narcissa has been… very distressed, of late. I thought perhaps you could do for her what you did for me fifteen years ago."

A dark look shadowed the Potion Master's features. "I see. And what would I receive in return?"

"Time with the boy. We both know even with that fool's machinations you would lose. After all, it was on his recommendation that Potter be placed with his Muggle relatives. That grave mistake will be his undoing." He let out a delicate snort. "No one could have guessed that the Boy-Who-Lived would be Sorted into Slytherin, neglected and abused without any understanding of his in-born talents… I certainly see the appeal of wanting to mold the boy when he simply... radiates raw magical power." The powerful wizard smiled in a meaningful way that set Severus on edge. "The situation reminds me of another stubborn boy who refused to follow the status quo not so long ago..."

Severus said nothing.

Lucius waved his hand flippantly yet gracefully, collapsing the multi-layered Silencing Wards. "I will see you in court, Severus," he said with a classy sneer and then sauntered away in an elegant manner to rejoin his puppet in office.

As luck would have it, Severus had just acquired a large batch of Moonseed Essence… Without another word, he stepped towards the double doors, tapped each of his boots for the fabric to unwind, and left the Great Hall to head directly to his Potions lab in the dungeons.

Preview of Harry and the Captured Pawn

Ominous muttering was closing in all around Harry now, and someone pulled on his robes. "Come on," Draco said near his ear, "Let's go."

Draco steered him towards the exit; Harry noticed how everyone outside of the Slytherin House drew away as if they might catch something. His year-mates closed in around him.

Taking the steps down to the dungeons, Harry's queasiness only intensified. Soon enough, they were in the common room and Harry was pushed into a high-backed chair.

"Did you see their faces!" Theodore crowed.

"Let them simmer on the thought of their hero being a Parselmouth!" Parkinson preened.

Harry pressed his face into his hands as they gloated and sneered with excitement and pleasure at his Parselmouth ability finally being outed. Draco had done this to him. Harry wondered how long he had planned for a public performance of Parseltongue...

Afterword: So, because Cygnus Black (II) is James and Sirius' great-grandfather that makes James and Sirius second cousins. More AU-ness appears because canon says that Mrs. Evans is a Muggle; My head-canon has changed it so that she was quietly disinherited from the Princes for being a Squib and made to live as a Muggle, making Eileen and Lily first cousins (though the age gap is significant since Mrs. Longbottom's first marriage happened a long time ago when she was barely of age). So, Lily and Severus are first cousins, once removed. Harry and Draco are third cousins. Dorea Potter née Black married Charlus Potter, and their only son (Here I made up the son and his wife and his sister-in-law), Harold Potter married Eveline Prewett, who is sister to Mabel Prewett, whose daughter is Molly Weasley, making Mrs. Weasley Harry's first cousin, once removed. (Which means that James and Molly are first cousins, and Harry and the Weasley children are second cousins. This is interesting because Arthur Weasley and James Potter are first cousins, once removed on the Black side of the family tree) Draco, Harry, and Ron share a common ancestor, Phineas Nigellus Black [the portrait who was also a headmaster of Hogwarts]. Since Mrs. Longbottom is also Neville's grandmother, Harry and Neville are also second cousins.

I hope that clears things up. I apologize in advance for any inaccuracies. Pure-blood families really do have convoluted family trees...