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"In case you’re getting ideas, I might tell you that you can trace my family back through nine generations of witches and warlocks and my blood’s as pure as anyone’s."
— Macmillian family history[src]

Macmillan was the surname of a pure-blood[1] wizarding family, and one of the Sacred Twenty-Eight.[3] By the 1990s, the family comprised nine consecutive generations of pure-bloods.[1] Through Melania Black (née Macmillan), they were distantly related to the Black and Prewett families.[4]

History[]

The Macmillans were seemingly respectable in pure-blood circles than a family such as the Weasleys, since Melania Macmillan married into the highly prejudiced House of Black.[4]

Family members[]

Wizard(s) Notes
Melania Black (née Macmillan) Wife of Arcturus Black III, mother of Lucretia and Orion Black, and paternal grandmother of Sirius and Regulus Black
Pippa Macmillan Gryffindor student at Hogwarts School of Witchcraft and Wizardry in the 1980s
Ernie Macmillan Hufflepuff student in Harry Potter’s year at Hogwarts School of Witchcraft and Wizardry

Relatives by marriage[]

Distant relatives[]

Wizard(s) Notes
Lucretia Prewett (née Black) Daughter of Arcturus Black III and Melania Black.
Orion Black Son of Arcturus Black III and Melania Black.
Sirius Black Son of Orion and the grandson of Arcturus Black III.
Regulus Black Son of Orion and the grandson of Arcturus Black III.

Family tree[]

 
 
 
 
 
 
 
 
 
 
Macmillan family
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Melania Macmillan
 
Arcturus Black III
 
 
 
 
 
 
 
 
 
Nine generations
of wizards
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Lucretia Black
 
Ignatius Prewett
 
Orion Black
 
Walburga Black
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Sirius Black
 
Regulus Black
 
Ernest Macmillan
 
Pippa Macmillan

Etymology[]

Macmillan is a surname of Scottish origin. Clan MacMillan is a Highland Scottish clan dating back to at least the fourteenth century; Harold Macmillan was a British Prime Minister.

Behind the scenes[]

  • Later generations of Macmillans may have been considered "blood traitors", since Ernie Macmillan had friends of other blood statuses and fought against Death Eater ideals as a member of Dumbledore's Army.[5] In addition, Ernie claimed his family had long been loyal supporters of Albus Dumbledore, who was known for his staunch opposition of wizarding supremacist ideals.

Appearances[]

Notes and references[]

  1. 1.0 1.1 1.2 Harry Potter and the Chamber of Secrets, Chapter 11 (The Duelling Club) - "“It was a very near miss,” said Ernie. “And in case you’re getting ideas,” he added hastily, “I might tell you that you can trace my family back through nine generations of witches and warlocks and my blood’s as pure as anyone’s, so —”"
  2. Harry Potter: Hogwarts Mystery, Year 2, Side Quest "Lone Wolf"
  3. Writing by J. K. Rowling: "Pure-Blood" at Wizarding World
  4. 4.0 4.1 Black family tree
  5. Harry Potter and the Deathly Hallows
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