Ubaydullah ibn Muhammad
أبو عبد الرحمن عبيد الله بن محمد بن حفص
Fourth generation, died 228 AH. Named in the chains of 3 narrations of the library, 1 in Abu Dawud, 1 in Tirmidhi, 1 in Ahmad.
3narrations name him
3collections
228 AHhe died
In the books of narrators: Trustworthy, ثقة جواد ، رمي بالقدر ، ولم يثبت.