Abu al-Fida (Arabic: أبو الفداء‎) or Abul Fida Ismail Hamvi (fully Abu Al-fida' Isma'il Ibn 'ali ibn Mahmud Al-malik Al-mu'ayyad 'imad Ad-din, (also transliterated Abulfeda, Abu Alfida, and other ways)) (November 1273 – October 27, 1331) was a Kurdish historian, geographer, and local sultan. The crater Abulfeda on the Moon, is named after him. Abulfeda was born in Damascus , where his father Malik ul-Afdal, brother of the prince of Hamah, had fled from the Mongols. He was a descendant of Ayyub, the father of Saladin. In his boyhood he devoted himself to the study of the Qur'an and the sciences, but from his twelfth year onward, he was almost constantly engaged in military expeditions, chiefly against the crusaders. In 1285 he was present at the assault of a stronghold of the Knights of St. John, and took part in the sieges of Tripoli, Acre and Qal'at ar-Rum. In 1298 he entered the service of the Mamluk Sultan Malik al-Nasir and after twelve years was invested by him with the governorship of Hama. In 1312 he became prince with the title Malik us-Salhn, and in 1320 received the hereditary rank of sultan with the title Malik ul-Mu'ayyad. For more than twenty years all together he [ - ]

Abu al-Fida (Arabic: أبو الفداء‎) or Abul Fida Ismail Hamvi (fully Abu Al-fida' Isma'il Ibn 'ali... [ + ]