who was regulus
Regulus Arcturus Black(1961 â 1979) was a pure-blood wizard, born to Orion and Walburga Black, and the younger brother of Sirius Black. He was a member of the House of Black, an old wizarding family. He attended Hogwarts School of Witchcraft and Wizardry in 1972 and was sorted into the Slytherin house.