Sultan Yusef ben Hassan (1882 – November 17, 1927) (Arabic: السلطان يوسف بن الحسن‎) ruled Morocco from 1912 until his death in 1927. Born in the city of Meknes to Sultan Hassan I and his fifth wife, Ruqiya, a Circassian lady from Constantinople and was the youngest of Sultan Hassan I's sons. He inherited the throne from his brother, Sultan Abdelhafid, who abdicated after the Treaty of Fez (1912), which made Morocco a French protectorate.