Salauddin Yousuf Ibne Ayub -Short name Salahuddin Ayyubi is a Great Muslim leader.His father’s name is Nazimuddin Ayub. He was born in 1138 . He led the Muslim military campaign against the Crusader states in the Levant. At the height of his power, his sultanate included Egypt, Syria, Upper Mesopotamia, the Hejaz, Yemen and other parts of North Africa. And He conquered the Crusader Kingdom of Jerusalem By Battle of Hattin in 1187.