Sebastian Sallow

Sebastian Sallow (b. 1874/1875) was a Scottish wizard and a Slytherin student at Hogwarts School of Witchcraft and Wizardry during the late 19th century. Born to two professors at the school who died when he was young, he and his sister, Anne, were raised by their uncle Solomon Sallow, an ex-Auror. When Anne was cursed by Victor Rookwood, she developed a seemingly incurable illness. He tried everything from Nurse Blainey to St Mungo's to no avail, and eventually became convinced that the Dark Arts was the last hope for her.

From an early age, he had a mastery of the Unforgivable Curses, and considered other curses such as Confringo to be among his favourites. His quest to unravel the secrets of Dark Magic, justified by finding his sister's cure, eventually culminated in the murder of his uncle, possibly resulting in Sebastian's expulsion from Hogwarts and trial at the Ministry of Magic.