Abd ar-Rahman ibn Khalid
أبو بكر عبد الرحمن بن خالد بن يزيد
Fourth generation, died 251 AH in Wasit. Named in the chains of 10 narrations of the library, 1 in Abu Dawud, 9 in Nasa'i.
10narrations name him
2collections
251 AHhe died, in Wasit
In the books of narrators: Truthful, صدوق.