He traveled to Baghdad and there narrated from his paternal great-grandfather, from his grandfather ʿUmar, and from Aḥmad ibn Isḥāq al-Khashshāb.

Those who transmitted from him include Ibn Manda, Abū al-Ḥasan ibn Ruzqūwayh, ʿUmar ibn Aḥmad al-ʿUkbārī, Abū al-Ḥusayn Muḥammad ibn al-Ḥusayn ibn al-Faḍl al-Qaṭṭān, and a number of others.

Two fascicles have reached us through his chain of transmission, the higher-ranking of the two coming via Sibṭ al-Silafī.

Al-Barqānī deemed his standing sound (1).

Abū Ḥāzim al-ʿAbdawī said, “I do not know him except as trustworthy” (2).

I say: He died in Baghdad in Ramaḍān of the year 340 AH.

182 – Ibn Ayyūb, al-Ḥusayn ibn al-Ḥasan ibn Ayyūb al-Ṭūsī
The imām, ḥāfiẓ, grammarian, and firmly reliable scholar—Abū ʿAbd Allāh al-Ḥusayn ibn al-Ḥasan ibn Ayyūb al-Ṭūsī, a man of letters and one of the leading authorities in hadith.

He undertook journeys in pursuit of knowledge and heard hadith from Abū Ḥātim al-Rāzī, remaining in his company for a period.

While in Mecca he received a large body of material from Abū Yaḥyā ibn Abī Masarah the ḥāfiẓ, copied his Musnad, and obtained the books of Abū ʿUbayd through ʿAlī ibn ʿAbd al-ʿAzīz al-Baghawī.

Among those who narrated from him are the ḥāfiẓ Abū ʿAlī al-Naysābūrī, Abū Isḥāq al-Muzakkī, the muhaddith Abū al-Ḥusayn al-Ḥajjājī, Abū ʿAbd Allāh al-Ḥākim, Abū ʿAlī al-Rūdhbarī, and others.