The Ayyubid Sultan who was the nephew of Salahuddin and negotiated the return of Jerusalem to the Crusaders for a time was:
Q1. The Ayyubid Sultan who was the nephew of Salahuddin and negotiated the return of Jerusalem to the Crusaders for a time was:
Answer: Al-Kamil
Explanation: Al-Kamil Muhammad al-Din (r. 1218–1238 CE), the Ayyubid Sultan of Egypt and nephew of Salahuddin, negotiated the Treaty of Jaffa (1229 CE) with Holy Roman Emperor Frederick II, temporarily returning Jerusalem to Crusader control.