Bill Cosby’s brothers are William Jr. and Russell, both younger siblings in an African-American working-class family in Philadelphia. Their father, Hadley Horn, worked as a staff sergeant and cook; their mother, Anna Pearl Hokenson, was a maid before marrying Hadley. The Cosby household emphasized discipline and religion, shaping public perceptions of Bill and his siblings. This article unpacks their full names, upbringing, careers, and limited verified public interactions with Bill, focusing on records and statements rather than speculation to provide a clear, enduring reference.
