Bellatrix Black

At Hogwarts, she, along with her sisters, was sorted into Slytherin. as a student, Bellatrix associated with a group of students including Rodolphus Lestrange, Severus Snape, Avery, Evan Rosier and Wilkes who nearly all became Death Eaters. This elitism, shared by the Malfoy and Lestrange clans, was instilled in Bellatrix since childhood.