Fatimah bint Hizam al-Qilabiyya, commonly known as Umm ul-Banin ("mother of several sons"), married Ali (Ali ibn Abi Talib), after the death of his first wife Fatimah. Ummul Banin and Ali had four sons, of which the eldest was Al-Abbas ibn Ali (the commander of Husayn ibn Ali's forces at the Battle of Karbala). Also Uthman ibn Ali who was martyred at the battle.[1][2] Her two other sons were Abdullah ibn Ali and Jafar ibn Ali.