Al-Khalil ibn Umar
أبو محمد الخليل بن عمر بن إبراهيم
Fourth generation, died 220 AH. Named in the chains of 2 narrations of the library, 1 in Abu Dawud, 1 in Nasa'i.
2narrations name him
2collections
220 AHhe died
In the books of narrators: Truthful, صدوق ، ربما خالف.