Banu Thaqif
Uthman was a son of Abu al-As ibn Bishr ibn Abd Duhman of the Banu Thaqif tribe based in Ta'if in the Hejaz (western Arabia). They specifically belonged to the Banu Hutayt, a prominent family of the Banu Jusham, which was one of the two principal branches of the Thaqif. Uthman had five brothers: al-Hakam, al-Mughira, Abu Umayya, Abu Amr—all of whom were sons of Uthman's mother Fatima bint Abdillah—and Hafs.