No Hogwarts houseWitch

Ariana Dumbledore

Appears 51 times in the books

Died:

1899

The Dumbledore sister who was attacked by Muggle boys and never recovered. Her power came out sideways and killed her mother. She died in a three-way duel between Albus, Aberforth, and Grindelwald. The books refuse to say whose curse hit her.