The leading men of Córdoba rallied to him and placed him on the throne after the departure of al-Qāsim (1) the Idrisid. They swore allegiance to him in Ramadan 414 AH, when he was twenty-two years old. He was astonishing for his sharp intellect and eloquence. His teknonym was Abū ʾl-Muṭarrif, and Ibn Ḥazm (2) the Ẓāhirī served as his vizier. His reign, however, was short-lived: only a few days later, in Dhū ʾl-Qaʿda of that same year, he was killed. His cousin al-Mustakfī bi-Allah Muḥammad ibn ʿAbd al-Raḥmān (3) seized power, ruled for six months, and was then deposed.

216 – al-Ḥannāṭ Abū Bakr Khalaf ibn ʿUmar ibn Khalaf *
The imām, ḥadith scholar, and itinerant seeker of knowledge: Abū Bakr Khalaf ibn ʿUmar ibn Khalaf ibn Muḥammad ibn Ibrāhīm al-Hamadhānī, known as al-Ḥannāṭ.
He was counted among the distinguished senior shaykhs.

He transmitted hadith from: Abū ʾl-ʿAbbās al-Aṣam, ʿAbd al-Raḥmān al-Jallāb, Abū Jaʿfar Aḥmad ibn ʿUbayd, Jaʿfar al-Khuldī (4), Abū Bakr al-Shāfiʿī, and several others.

Among those who narrated from him were: Abū Muḥammad Jaʿfar ibn Muḥammad al-Abharī, ʿAlī ibn Aḥmad ibn Sahl al-ʿAṭṭār, al-Ḥusayn ibn Muḥammad al-Bazzāz, al-Khalīl ibn ʿAbd Allah al-Khalīlī, and others.