Concept:Uthman b. Affan belonged to the Umayyad clan, a prominent branch of the Quraysh tribe in Makkah.Explanation:Uthman b. Affan was one of the early companions of Prophet Muhammad (SAW).He was born into the Banu Umayyah family, also known as the Umayyads.Banu Umayyah was a powerful and respected clan within the larger Quraysh tribe.The Quraysh is the overall tribe, while Banu Umayyah is the specific family group.Thus, the family directly linked to his birth is Banu Umayyah.Answer:A. Umayyah