He asked him for a legal ruling on the issue; the latter reaffirmed his earlier answer and was visibly pleased with him. (1)
Muslim said, “He is reliable, trustworthy.”
Al-Nasa’i added, “Reliable.” (2)
I say: Al-Bukhari may quote him and simply state, “Ishaq narrated to us,” without giving his lineage, so one might confuse him with Ibn Rahwayh. Yet we possess clues that allow us to tell which of the two is meant, and in any case it causes no problem, for both of them are authoritative.
Husayn ibn Muhammad al-Qabbani said: Ishaq ibn Mansur ibn Bahrām, Abū Yaʿqūb al-Kawsaj, died in Nishapur on a Thursday and was buried on Friday, with ten days remaining of Jumada al-Ūlā in the year 251 AH. (3)
In that same year passed away: Ḥamīd ibn Zanjūyah, ʿAmr ibn ʿUthmān al-Ḥimṣī, Abū al-Taqī al-Yazanī, and Muḥammad ibn Sahl ibn ʿAskar.
99 – Zayd ibn Akhzam Abū Ṭālib al-Ṭāʾī * (B, 4)
A ḥāfiẓ, precise and exacting, Abū Ṭālib al-Ṭāʾī of Basra.