Al-Mustamsik
Al-Mustamsik was the sixteenth and penultimate Abbasid caliph of Cairo under the tutelage of the Mamluk [Sultanate (Cairo)|Mamluk Sultanate]. He served as caliph twice, his first term from 1497 to 1508 and his second term from 1516 to 1517, when he abdicated the position to his son, al-Mutawakkil III.