Ishaq ibn Yusuf
أبو محمد إسحاق بن يوسف بن مرداس
Third generation, died 194 AH in Wasit. Named in the chains of 65 narrations of the library, 6 in Bukhari, 5 in Muslim, 10 in Abu Dawud.
65narrations name him
8collections
194 AHhe died, in Wasit
In the books of narrators: Trustworthy, ثقة.