Euphemia Black

Euphemia Andromeda Potter (née Black) (22 June, 1907- 3 November, 1979) was an English pureblood witch and the second and youngest daughter of Equuleus Black and Selene Selwyn. She is also younger sister of Lyra and Ophiuchus Black and the older sister of Atlas Black II.

Euphemia is the wife of Fleamont Potter and the mother of their son, James Potter. Through James, Euphemia is the paternal grandmother of the famous Harry Potter and the great-grandmother of James, Albus, Lily, Ruby, and Minerva Potter.

She attended Hogwarts School of Witchcraft and Wizardry from 1918 to 1925 and was sorted into Slytherin.