Fāṭimah bint Ḥuzam al-Kulābīyah (Arabic: فَاطِمَة ٱبْنَت حُزَام ٱلْكِلَابِيَّة‎, died (683/684) or 69 A.H. (688/689)), better known as ʾUmm al-BanĪn (Arabic: أُمّ ٱلْبَنِين‎, meaning "Mother of the Sons"), was a wife of Ali ibn Abi Talib. She was from the tribe of Banu Kilab Kalbasi, Khasaes al-Abbasiah, (1387 S.H.), P. 63 a branch of Qais Ailan tribes. Umm al-Banin married Ali ibn Abi Talib after the death of his first wife Fatimah, daughter of the Islamic prophet, Muhammad.