Zainab bint Muhammad was the eldest daughter of the Prophet Muhammad and Khadijah. She was born in Mecca and played a significant role in early Islamic history. Zainab was known for her strong character and resilience, especially during the challenges faced by her family after the advent of Islam. She married Abu al-As ibn al-Rabi, and they had two children, a son named Ali and a daughter named Umamah. Zainab's life was marked by her commitment to her faith and her family, and she is remembered for her contributions to the early Muslim community.