He was killed in 590 AH, and they entered Baghdad carrying his severed head with his banners reversed. He had governed Azerbaijan, Hamadhan, and several other cities; they had invested him with the throne while he was still a child.

141 – Al-Jammāl Masʿūd ibn Abī Manṣūr ibn Muḥammad al-Iṣbahānī
The venerable, long-lived shaykh and chief ḥadith transmitter of Isfahan, Abū al-Ḥasan Masʿūd ibn Abī Manṣūr ibn Muḥammad ibn Ḥasan al-Iṣbahānī, known as al-Jammāl and al-Khayyāṭ.

He was born in 506 AH.

He studied under Abū ʿAlī al-Ḥaddād, Maḥmūd ibn Ismāʿīl, Abū Nahshal ʿAbd al-Ṣamad, and Ḥamzah ibn al-ʿAbbās al-ʿAlawī.

He also attended the lessons of Ghānim al-Burjī in person, and in Nishapur ʿAbd al-Ghaffār al-Shīrawiyy—associate of Abū Bakr al-Ḥīrī—granted him an authorization.

He lived to a great age, was a solitary authority in his narrations, and travelled widely.

Those who transmitted from him include Muḥammad ibn ʿUmar al-ʿUthmānī, Abū Mūsā ibn ʿAbd al-Ghanī, Abū al-Ḥajjāj ibn Khalīl, and others.

He also issued an authorization to Aḥmad ibn Salāmah.

He died on the twenty-fifth of Shawwāl, 595 AH.