Abū Saʿīd Bahādur Khān (8 Dhū al-Qaʿda 704–13 Rabīʿ II 736/2 June 1305–November 1335), Ūljāytū's son and successor, was the last Īlkhānid ruler of Persia. He appears to have been the first Īlkhān to have received an Islamic name from birth, and on the basis of a letter from him to the Mamlūk sultan in Egypt, al-Nāṣir Muḥammad b. Qalāwūn, al-Ṣafadī (10/322) states that his name was …