Muhammad ibn Sahl
أبو بكر محمد بن سهل بن عسكر
Fourth generation, died 251 AH in Baghdad. Named in the chains of 18 narrations of the library, 11 in Muslim, 5 in Tirmidhi, 2 in Shama'il.
18narrations name him
3collections
251 AHhe died, in Baghdad
In the books of narrators: Trustworthy, ثقة.