Ahmad ibn Abdullah
أبو عبيدة أحمد بن عبد الله بن محمد
Fourth generation, died 258 AH in Kufa. Named in the chains of 10 narrations of the library, 5 in Tirmidhi, 2 in Nasa'i, 1 in Ibn Majah.
10narrations name him
5collections
258 AHhe died, in Kufa
In the books of narrators: Truthful, errs at times, صدوق يهم.
Narrations he is named in
Sunan ad-Darimi