Al-Fadl ibn Yaqub
أبو العباس الفضل بن يعقوب
Fourth generation, died 256 AH in Basra. Named in the chains of 3 narrations of the library, 2 in Abu Dawud, 1 in Ibn Majah.
3narrations name him
2collections
256 AHhe died, in Basra
In the books of narrators: Truthful, صدوق.