|Notable family members|
Unknown, possibly extinct
- Myrtle Warren — Muggle-born witch sorted into Ravenclaw at Hogwarts School of Witchcraft and Wizardry; murdered in 1943 by Tom Riddle and subsequently haunted the girls' lavatory where she died.
- Mr Warren — a Muggle; father of Myrtle
- Mrs Warren — a Muggle; mother of Myrtle