Ismāʿīl b. ʿAlī b. Maḥmūd al-Malik al-Muʾayyad ʿImād al-Dīn Abū l-Fidāʾ (672-732/1273-1331) was a Syrian prince of the Ayyūbid family, a historian, and a geographer. He was born in Damascus in 672/1273, and, at the age of thirteen, became the only Ayyūbid prince in Mamlūk Syria when, upon the death of his father, he was proclaimed lord of Hama, Barīn, and Maʿarrat al-Nuʿmān. Shortly afterwards, he took part in the final stages of the Mamlūk overthrow of the Frankish states: