Muhammad ibn Abi Bakr
She was Abu Bakr's daughter. Her mother was Qutaylah bint Abd-al-Uzza, and she was the full sister of Abdullah ibn Abi Bakr. Her half-sisters were Aisha and Umm Kulthum bint Abi Bakr, and her half-brothers were Abdul-Rahman ibn Abi Bakr and Muhammad ibn Abi Bakr. She also had a stepmother from the Kinana tribe, Umm Ruman bint Amir, and a stepbrother, al-Tufayl ibn al-Harith al-Azdi. The historians Ibn Kathir and Ibn 'Asakir cite a tradition that Asma was ten years older than Aisha; but according to Al-Dhahabi, the age difference was thirteen to nineteen years.