ʿUbayd Allah ibn ʿUmar ibn Ayyūb al-Burjī al-Isfahānī—better known as Ghanim ibn Abī Naṣr.

Burj is one of the villages belonging to Isfahān.

His birth took place in Dhū al-Qaʿdah, 417 AH.

In 419 AH he was granted ijāzah in Baghdad by Abū ʿAlī ibn Shādhān and Abū al-Qāsim ibn Bishrān; in his home city he received authorization from al-Ḥusayn ibn Shujāʿ al-Mawṣilī and al-Ḥusayn ibn Ibrāhīm al-Jammāl.

He heard from the ḥāfiẓ Abū Nuʿaym all that the latter possessed of the Musnad of al-Ḥārith ibn Abī Usāmah (1).

He also studied under Abū al-Ḥusayn ibn Fādhshāh, al-Faḍl ibn Muḥammad al-Qāshānī, Muḥammad ibn ʿAbd Allah ibn Shahrīyār, ʿUmar ibn Muḥammad ibn al-Haytham, and a number of others.

He listened to Hilyat al-Awliyāʾ, though with some gaps, and he heard the Musnad of al-Ṭayālisī from Abū Nuʿaym as well as the booklet of Muḥammad ibn ʿĀṣim.

Among those who narrated from him were al-Silafī; Tāj al-Islām Abū Bakr al-Samʿānī; Muḥammad ibn Abī Bakr al-Sinjī; Abū Saʿd al-Ṣāʾigh; Abū Mūsā al-Madīnī; al-Faḍl ibn al-Qāsim al-Ṣaydalanī; Masʿūd ibn Abī Manṣūr al-Jammāl; and many others besides.

By way of written authorization, Abū Saʿd al-Samʿānī (2) and Abū al-Makārim al-Labbān also transmitted from him, and he was