The sons of al-Muhtadī bi-Allah were: Abū Jaʿfar ʿAbd Allah, Abū al-Ḥasan ʿAbd al-Ṣamad, Abū Bakr ʿAbd al-Raḥmān, Abū Aḥmad ʿAbd Allah, and Abū al-Faḍl Hibat Allah. Among their descendants were men of learning and eloquent preachers.

210 – al-Muʿtamid ʿalā Allah, the Caliph Aḥmad ibn al-Mutawakkil ʿalā Allah Jaʿfar al-ʿAbbāsī*
He was Abū al-ʿAbbās—some say Abū Jaʿfar—Aḥmad ibn al-Mutawakkil ʿalā Allah Jaʿfar ibn al-Muʿtaṣim Abū Isḥāq ibn al-Rashīd, the Hāshimite ʿAbbāsid from Sāmarrāʾ.
His mother was a Byzantine woman named Fitiyān.
He was born in 229 AH.
Ibn Abī al-Dunyā said: “He was brown-skinned, with a light hue, large eyes, handsome features, and a sparse beard.”
I say: He was invested with the caliphate after the murder of al-Muhtadī bi-Allah, on the sixteenth of Rajab 256 AH.
Four days later Mūsā ibn Bugha reached Sāmarrāʾ, the turmoil subsided, and he—having been held by al-Muhtadī in the Jawsaq—was released and received the oath of allegiance.
Al-Muʿtamid then tightened the reins on al-Muhtadī’s household, appointed his brother Abū Aḥmad al-Muwaffaq over the entire eastern provinces, conferred the succession on his own son Jaʿfar—entitling him al-Mufawwaḍ ilā Allah—and made him governor of Egypt and the Maghrib. Thereafter he became engrossed in diversion and play, neglecting his subjects, so they grew to dislike him,