Overview
Umm Ḥakīm bint al-Ḥārith ibn Hishām was a female companion of Islamic prophet Muhammad and later a wife of Umar, the second caliph of Islam.
Life
Umm Hakim was the daughter of al-Harith al-Makhzumi (ibn Hisham ibn al-Mughira ibn Abd Allah ibn Umar ibn Makhzum). Her mother's name was Fatima bint al-Walid ibn al-Mughira ibn Abd Allah ibn Umar ibn Makhzum.
She was wife of Ikrima ibn Abi Jahl, who was killed in the Battle of the Yarmuk.
According to another source, she was married to Abu Sa'id Khalid ibn Sa'id on the evening preceding Battle of Marj al-Saffar, Abu Sa'id was killed in the battle.
From Wikipedia (CC BY-SA 4.0).