1200 – August 1218 AD: The fourth Ayyubid Sultan of Egypt and Syria Al-Adil I - (الملك العادل, al-Malik al-Adil Sayf ad-Din Abu-Bakr Ahmed ibn Najm ad-Din Ayyub, الملك العادل سيف الدين أبو بكر بن أيوب; born 1145– died 1218 AD). From his honorific title Sayf ad-Din ("Sword of Faith"), he was known to the Frankish Crusaders as Saphadin. He was a gifted and effective administrator and a capable general and strategist who provided crucial military and civilian support for the great campaigns of his brother Saladin. The foundation and persistence of the Ayyubid Sultanate was as much his achievement as Saladin's.