The parents didn’t help of course. Cygnus Black and Druella were staples in the Black family, along with his own mother and father. Something dark and twisted blanketed the Family. Like a plague. Bellatrix and her sisters received the same lessons and the same punishments. One thing Sirius will accredit Bella for, the only thing that made them similar, was that no matter how hard they were hit, or how many times they took the curses, the rebelliousness never went away.