24 – al-Mustadiʾ bi-Amr Allah, Abū Muḥammad al-Ḥasan ibn al-Mustanjid bi-Allah
The caliph, Abū Muḥammad al-Ḥasan, was the son of the caliph al-Mustanjid bi-Allah Yūsuf, son of the caliph al-Muqtafī Muḥammad, son of the caliph al-Mustazhir Aḥmad, son of the caliph al-Muqtadī—of Hāshimid, ʿAbbāsid descent.
He was given the oath of allegiance to the caliphate upon his father’s death, in Rabīʿ al-Ākhir (1) of the year 566 AH. ʿAḍud al-Dīn Abū al-Faraj ibn Raʾīs al-Ruʾasāʾ oversaw the ceremony of the bayʿa and was appointed vizier that very day.
He was born in 536 AH.
His mother was an Armenian woman named Ghadda.
He was endowed with forbearance, deliberation, compassion, benevolence, and charitable generosity.
Ibn al-Jawzī states in al-Muntaẓam (2): “When he received the bayʿa, a proclamation was made lifting the taxes and redressing grievances. He displayed a level of justice and liberality the like of which we had not seen in our lifetime, and he distributed a vast sum of money among the Hāshimites.”
Ibn al-Najjār (3) said: “He was invested with the caliphate when he was twenty-one years old—though I think he erred (4).” He said: