Al-Muqtadir

Abū’l-Faḍl Jaʿfar ibn Aḥmad ibn Ṭalḥa ibn Jaʿfar ibn Muḥammad ibn Hārūn Al-Muqtadir bi'Llāh, better known by his regnal name al-Muqtadir bi'Llāh, was the eighteenth caliph of the Abbasid Caliphate from 908 to 932 AD, with the exception of a brief deposition in favour of al-Qahir in 929.