Umm Hakim bint Abd al-Muttalib

Not to be confused with Umm Hakim bint al-Harith ibn Hisham.

Umm Ḥakīm Al-Bayḍāʾ bint ʿAbd al-Muṭṭalib (Arabic: أم حكيم البيضاء بنت عبد المطلب) was an aunt of Muhammad and maternal grandmother of Uthman.

Umm Hakim bint Abd al-Muttalib
Children	Arwa bint Kurayz
Parents	Abd al-Muttalib (father) Fatima bint Amr (mother)

She was born in Mecca around 546, the daughter of Abd al-Muttalib and Fatima bint Amr al-Makhzumiya.^[1][2]: 32 She was the twin sister of Abdullah, the father of Muhammad.^[3]: 198 Umm Hakim was known as Al-Bayḍāʾ ("the White One") because she was Abd al-Muttalib's only fair-skinned daughter.^[3]: 198

She married Kurayz ibn Rabi'a from the Abd Shams clan of the Quraysh. Their children were Amir, Arwa (the mother of the future Caliph Uthman), Talha and Umm Talha.^{[2]: 32 [3]: 198}

Umm Hakim died before 610.^[3]: 198