Fabian Prewett

Fabian Prewett is the brother of Gideon Prewett and Molly Weasley (formerly Prewett). The Prewett family is a well-respected pure-blood family that is related to the Black family (most of whom were either Death Eaters or supportive of Lord Voldemort in some way). Fabian was a member of the original Order of the Phoenix.