Al-Hakim I, caliph of Cairo
Al-Hakim I (Arabic: الحاكم بأمر الله الأول), (c. 1247 – 19 January 1302) (full name: Abu al-'Abbas Ahmad ibn Abi 'Ali al-Hasan ibn Abu Bakr) held the position of the second Caliph of Cairo for the Mamluk Sultanate between 1262 and 1302. He and his predecessor Abu'l-Qasim Ahmad al-Mustansir were the founders of Mamluk Caliphate of Cairo under the auspices of Mamluk sultan Baybars.