Ahmad ibn Sinan
أبو جعفر أحمد بن سنان بن أسد
Fourth generation, died 256 AH in Wasit. Named in the chains of 33 narrations of the library, 1 in Bukhari, 1 in Muslim, 5 in Abu Dawud.
33narrations name him
4collections
256 AHhe died, in Wasit
In the books of narrators: Trustworthy and exact, ثقة حافظ.