Jafar ibn Muhammad
أبو الفضل جعفر بن محمد بن الفضيل
Fourth generation, died 251 AH in Kufa. Named in the chains of 2 narrations of the library, 1 in Tirmidhi, 1 in Ahmad.
2narrations name him
2collections
251 AHhe died, in Kufa
In the books of narrators: Truthful, صدوق حافظ.