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.
We have in our books that many other sons of Imam Ali (AS) were martyred in Karbala beside Imam Husain (AS) and four sons from Ummul Baneen e.g. Ebrahim ibn Ali, Bakr ibn Ali, Amr ibn Ali, Mohammad al-Asghar ibn Al, Abdullah al-Asghar ibn Ali.