"Sirius Black: [showing Harry the Black family tree on the wall] This is the Black family tree. [motions to Bellatrix Lestrange] My deranged cousin. I hated the lot of them. My parents with their pure-blood mania."
January 1, 1970
https://en.wikiquote.org/wiki/Harry_Potter_and_the_Order_of_the_Phoenix_(film)