Main article: Family tree of Ali AS Ali#039;s father Abu Talib ibn #039;Abd al-Muttalib AS was the custodian of the Kaaba and a sheikh of the Banu Hashim, an important branch of the powerful Quraysh tribe. He was also an uncle of Muhammad PBUH. Ali#039;s mother, Fatima bint Asad, also belonged to Banu Hashim, making Ali a descendant of Ishmael, the son of Ibrahim or Abraham.[16] Many sources, especially Shia ones, attest that during Mohammad PBUH #039;s time Ali was born inside the Kaaba in