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Half-blood Harry Potter is the son of a pure-blood wizard and a Muggle-born witch

"Most wizards these days are half-blood anyway. If we hadn’t married Muggles we’d’ve died out."
Ron Weasley discussing blood purity[src]

Half-blood is the term commonly given to wizards and witches who have a Muggle/Muggle-born parent and magical parent. By the 1990s, half-bloods were the most common type of magical person, as the wizarding population would have become extinct had they not inter-married with Muggles and Muggle-borns.[1]

Due to the dominance of the magic gene, children born to at least one magical parent will almost always be magical themselves. A non-magical child born to a Muggle and a wizard is considered a Squib (not a Muggle).[2]

Attitude towards half-bloods

"You dare speak his name with your unworthy lips, you dare besmirch it with your half-blood's tongue, you dare... He dared — he dares — he stands there — filthy half-blood — "
Bellatrix Lestrange's prejudice against Harry Potter's half-blood status[src]
Potter family2

Harry Potter and his children are half-bloods with known Muggle ancestry

Those who believe in the importance of blood purity consider half-bloods to be inferior because of their Muggle heritage, though superior to Muggle-borns. Occasionally the term "half-blood" can be used in a derogatory manner, similar to the epithet "Mudblood"; Bellatrix Lestrange and the portrait of Walburga Black did so on multiple occasions.[3]

Some half-bloods expressed prejudice towards those with Muggle heritage, despite having some themselves, and clung to what wizarding heritage they had. Notably, Lord Voldemort hated Muggles and Muggle-borns, despite having a Muggle father, and denied his half-Muggle heritage, leaving hints that he was a pure-blood instead, emphasising his heritage to the famous pure-blood ancestor, Salazar Slytherin, to make himself more believable.[1] Severus Snape may be another example; his self-entitled nickname was "Half-Blood Prince" because his mother, Eileen Prince, was a pure-blood witch and his father, Tobias Snape, was a Muggle. However, Remus Lupin reported that he never used the nickname openly. This, as well as Snape's membership in the Death Eaters, suggests he may have been ashamed of his Muggle heritage, at least in his early life.[4] In fact, these people, along with some other Death Eaters, pretend to be pure-bloods, hiding their Muggle heritage from anyone else; most of them are half-bloods due to centuries of dilution and decline of what may be called as a true "pure-blood". Ironically (or perhaps because of), regarding the Prophecy concerning his defeat, Voldemort chose to go after a half-blood Harry Potter instead of the pure-blood Neville Longbottom.

When the Ministry of Magic fell under Voldemort's control in 1997, Muggle-borns were openly persecuted and pure-bloods were favoured above all else. Half-bloods were still accepted at Hogwarts School of Witchcraft and Wizardry, but were not treated as well as the pure-blood students.[5]

Known half-bloods

Muggle parent

Wizard(s) Pure/half-blood parent Muggle parent
Seamus Finnigan Mrs Finnigan Mr Finnigan
Gilderoy Lockhart Mrs Lockhart Mr Lockhart

[6]

Remus John Lupin Lyall Lupin Hope Howell

[7]

Mafalda Pure-blood wizard/Squib father Mother
Minerva McGonagall Isobel McGonagall Robert McGonagall

[8]

Malcolm McGonagall
Robert McGonagall Jr
Tom Marvolo Riddle Merope Gaunt (Pure-blood) Tom Riddle Snr
Severus Snape Eileen Prince (Pure-blood) Tobias Snape
Rionach Steward Isolt Sayre (Pure-blood)[9] James Steward
Dean Thomas Father Mrs Thomas
Sybill Patricia Trelawney Mr Trelawney Mrs Trelawney
Celestina Warbeck Mr Warbeck Mrs Warbeck

[10]

Dolores Jane Umbridge Orford Umbridge Ellen Cracknell

[11]

Bowman Wright Mrs Wright Mr Wright

Muggle-born parent

Wizard(s) Pure/half-blood parent Muggle-born parent
Alfred Cattermole Reginald Cattermole Mary Cattermole
Ellie Cattermole
Maisie Cattermole
Cresswell brothers Mrs Cresswell Dirk Cresswell
Aberforth Dumbledore Percival Dumbledore Kendra Dumbledore
Albus Percival Wulfric Brian Dumbledore
Ariana Dumbledore
Garrick Ollivander Gervaise Ollivander (Pure-blood) Mrs Ollivander

[12]

Harry James Potter James Potter I (Pure-blood) Lily J. Potter
Nymphadora Tonks Andromeda Tonks (Pure-blood) Edward Tonks
Hugo Granger-Weasley (Pure-blood) Ronald Billius Weasley Hermione Jean Granger
Rose Granger-Weasley

Half-blood parents

Wizard(s) Parents
Edward Remus Lupin Remus John Lupin
Nymphadora Tonks

Muggle ancestry

Wizard(s) Pure-blood parent Half-blood parent
Albus Severus Potter Ginevra Molly Potter Harry James Potter
James Sirius Potter
Lily Luna Potter
Delphini Bellatrix Lestrange Tom Marvolo Riddle/Lord Voldemort

Unknown parental status

Wizard(s) Ancestor
Hannah Abbott At least one known Muggle ancestor
Susan Bones At least one known Muggle ancestor
Millicent Bulstrode At least one known Muggle ancestor
Mundungus Fletcher
Master Ollivander Half-blood Garrick Ollivander, maternal ancestry unknown[12]
Miss Ollivander
Quirinus Quirrell At least one known Muggle ancestor[13]

Behind the scenes

  • On J. K. Rowling's draft list of students in Harry Potter's class, which is not considered canon due to several contradictions with the novels, the following students were mentioned as half-bloods:[14]

Appearances

See also

Notes and references

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