Amr ibn Uthman
أبو عمر عمرو بن عثمان بن سيار
Fourth generation, died 217 AH in Raqqa. Named in the chains of 4 narrations of the library, 3 in Ibn Majah, 1 in Ahmad.
4narrations name him
2collections
217 AHhe died, in Raqqa
In the books of narrators: Weak, ضعيف وكان قد عمي.