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Learn about Harry’s magical ancestry & connection to other wizards
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Everybody knows and loves Harry Potter, but how much do you know about the magical ancestors of the Boy Who Lived? For instance, did you know that the legendary Potter family actually goes back to the 12th century? Read about that and more in this comprehensive guide to Harry Potter’s family tree! We’ll start with a breakdown of Harry’s ancestors before getting into his parents & grandparents and his wife and direct descendants. Then, keep reading for info on Harry’s familial connections to Muggles, the Weasley Family, the House of Black, and even Lord Voldemort!

Warning: Book and movie spoilers ahead!

Section 1 of 7:

Harry Potter’s Magical Lineage

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  1. He is the ancient wizard that the Potter family descended from. Linfred received the nickname “the Potterer,” which over time was shortened to “Potter.” While Muggles viewed him as an eccentric, he worked on magical remedies behind closed doors. His experiments and cures allowed him to leave gold to each of his seven children.[1]
  2. You might remember this name from Harry Potter and the Deathly Hallows. Ignotus and his brothers, Antioch and Cadmus, were the subject of the Tale of the Three Brothers. In the tale, the brothers outwit death and secure the three Deathly Hallows: the elder wand, the resurrection stone, and the invisibility cloak.[2] Harry inherits the invisibility cloak in Harry Potter and the Sorcerer’s Stone, which comes from Ignotus.
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  3. She married Hardwin Potter (eldest son of Linfred), connecting the Peverells to the Potter family line. Since there were no male heirs in her generation, Iolanthe inherited the invisibility cloak, which would then be passed on to the eldest of each new generation.[3]
  4. He was James Potter’s grandfather, making him Harry’s great-grandfather. Known to his close friends as “Harry,” this particular Potter was an outspoken politician. In fact, he publicly condemned the Minister of Magic for refusing to help the Muggle community in the First World War.[4]
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Section 2 of 7:

Harry Potter’s Grandparents & Parents

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  1. Fleamont’s name comes from his grandmother, who wanted to continue her family name. Fleamont was the inventor of Sleekeazy’s Hair Potion, a popular wizarding beauty product, which earned his wealth.[5]
  2. We don’t know much about Euphemia. But we do know that she and Fleamont tried for children for a long time before they had James Potter. Euphemia and Fleamont lived long enough to see James marry Lily, but sadly not long enough to meet Harry.[6]
  3. James was quite the troublemaker during his time at Hogwarts, often engaging in shenanigans with his fellow Marauders (Sirius Black, Remus Lupin, and Peter Pettigrew). However, James eventually settled down and married Lily Evans. Much like Harry, James was a Gryffindor and an exceptional Quidditch player.
    • Curious which Marauder you would be? Take our Marauders Quiz to find out!
  4. She was Muggle-born and faced judgement from her sister, Petunia. Still, she attended Hogwarts, where she was sorted into Gryffindor. At Hogwarts, Lily befriended Severus Snape, who was often tormented by James Potter. In her final act of love and bravery, Lily sacrificed herself to save baby Harry from Lord Voldemort.[7]
    • Unfortunately, we don’t know much about Lily’s parents (Harry’s maternal grandparents). All we know is they were Muggles and that they supported Lily’s Hogwarts education.
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Section 3 of 7:

Harry Potter & His Nuclear Family

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  1. He is James and Lily’s only child and is orphaned at the very beginning of the series. Raised and mistreated by his Muggle relatives, Harry eventually receives his acceptance to Hogwarts. There, he is sorted into Gryffindor and begins his epic hero’s journey with best friends, Ron Weasley and Hermione Granger, by his side.
    • Discover whether you’d be hangin’ with Harry, Ron, and Hermione in Gryffindor with our sorting hat quiz!
  2. Ginny and Harry meet in Harry Potter and the Sorcerer’s Stone when Ginny is still too young to attend Hogwarts. Throughout the series, Ginny and Harry remain friends and Quidditch teammates, with their relationship becoming more romantic in Harry Potter and the Half-Blood Prince.
  3. In the epilogue of Harry Potter and the Deathly Hallows, we get to meet the newest generation of Potters![8] While we don’t have much info on Harry and Ginny’s kids, they were all named after notable characters from the series:
    • James Sirius Potter was named after Harry’s father, James, and his godfather, Sirius.
    • Albus Severus Potter was named after headmaster Albus Dumbledore and professor Severus Snape.
    • Lily Luna Potter was named after Harry’s mother, Lily, and his close friend, Luna Lovegood.
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Section 4 of 7:

Harry Potter’s Muggle Relatives

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  1. In Harry Potter and the Sorcerer’s Stone, we learn that Petunia was jealous and resentful of her sister, Lily. She believed Harry’s mother was a freak for being a witch and subjects Harry to similar judgement while he lives with her.[9]
  2. Vernon, like his wife Petunia, resents the wizarding world and tries to prevent Harry from being part of it.[10] He makes multiple attempts to bar Harry from attending or returning to Hogwarts but obviously never quite succeeds.
  3. Along with his parents, Dudley torments Harry for his connection to the wizarding world. Harry endures Dudley’s bullying for his entire childhood and part of his time as a student at Hogwarts. While Dudley is not a wizard, he does have a scary encounter with magic when he faces a dementor in Harry Potter and the Order of the Phoenix!
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Section 5 of 7:

Harry Potter’s Connection to the Weasleys

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  1. After Ginny’s series-long crush (because who doesn’t love a slow burn?), the two tie the knot at the end of Harry Potter and the Deathly Hallows. This ties Harry to the Weasley family tree. He and Ginny have three children, James, Albus, and Lily, who carry on the Potter family name.[11]
    • Harry’s marriage to Ginny makes Molly and Arthur Weasley Harry’s mother- and father-in-law. After all that time Harry spent at the Burrow, we can certainly assume Harry already felt like Molly and Arthur were second parents, but this union makes it official.
  2. Harry and Ron become best friends in Harry Potter and the Sorcerer’s Stone and are practically inseparable throughout the series. If it hadn’t been for Harry’s friendship with Ron, he likely wouldn’t have met Ginny, making their friendship crucial for joining the two family trees.
    • And… since Ron is married to Hermione Granger, this technically makes Hermione Harry’s sister-in-law! Everyone’s favorite trio is linked for life, and we love to see it.
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Section 6 of 7:

Harry Potter’s Connection to the House of Black

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  1. Sirius and James met at Hogwarts and were two of the four Marauders (along with Remus Lupin and Peter Pettigrew). They were best friends, and James asked Sirius to be Harry’s godfather. Sirius is framed for Lily and James’s murder and gets locked up in Azkaban until his escape in Harry Potter and the Prisoner of Azkaban. It isn’t until after his escape that he and Harry are able to form a true connection.
  2. While not a confirmed relative, Charlus Potter is on the Black family tree. Charlus married Dorea Black, who is in the third generation of the House of Black. Fans speculate about whether this is a true tie that would make the Potters and Blacks related. We all know J.K. Rowling doesn’t tend to sprinkle things like that in by accident, so who knows? Maybe Harry and his godfather have some shared DNA, after all!
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Section 7 of 7:

Harry Potter’s Connection to Lord Voldemort

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  1. Both wizards are descended from the Peverell brothers, an ancient wizarding lineage. While Harry descended from Ignotus, Voldemort descended from Cadmus (who possessed the resurrection stone) on his mother’s side. This means that Harry and Voldemort are very distantly related.
    • J.K. Rowling said in a 2007 interview, “Nearly all wizarding families are related if you trace them back through the centuries.”[12] This means the connection between Harry and Voldemort isn’t a total shock since many wizarding families would be connected to the Peverell brothers.

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About This Article

Will Giffard
Co-authored by:
Harry Potter Enthusiast
This article was co-authored by Will Giffard and by wikiHow staff writer, Samantha Fulton, BA. Will Giffard is a Harry Potter content creator. With over 10 years of experience, Will shares traveling to Harry Potter film locations, merchandise, film studio tours, and more. He has been a lifelong fan of the series, from having the books read to him as a child, to building a fun community of over 210k Harry Potters fans online. This article has been viewed 2,148 times.
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Co-authors: 2
Updated: June 12, 2026
Views: 2,148
Categories: Harry Potter Fandom
Thanks to all authors for creating a page that has been read 2,148 times.

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