Brackenfur is the son of Lionheart, the former ThunderClan deputy, and Frostfur. His father died when ShadowClan raided their camp to steal Brackenkit and his littermates. Both of his parents are in StarClan. His littermates are Cinderpelt, Thornclaw, and Brightheart. Cinderpelt also resides in StarClan, and Brackenfur currently resides in the elders' den with Thornclaw and Brightheart.