Narcissa Cassiopeia Snape (née Black; formerly Malfoy) (b. 17 December 1959) was a pure-blood witch and youngest daughter of Cygnus Black III and Druella Black; younger sister of Bellatrix Lestrange and Andromeda Tonks. She was the widow of Lucius Malfoy and wife of Severus Snape; she was the mother of Draco Malfoy, Septimus Snape and Eileen Snape. From 1971 to 1978, Narcissa attended Hogwarts School of Witchcraft and Wizardry as part of Slytherin house.