Hafsa bint 'Umar bin al-Khattab (RA)

(d. 45-665) The fourth wife of the Prophet (PBUH) and the daughter of the khalif 'Umar bin al-Khattab. She was married to Khunays who was martyred at the Battle of Badr, before she married the Prophet (PBUH).
She was known for her piety and righteousness, as well as her beauty.