<P> ` Abd Allah al - Zubayr or ibn Zubayr (Arabic: عبد الله بن الزبير ‎' Abdallāh ibn az - Zubayr; 624--692) was an Arab sahabi whose father was Zubayr ibn al - Awwam, and whose mother was Asma bint Abi Bakr, daughter of the first Caliph Abu Bakr . He was the nephew of Aisha, the third wife of the Islamic prophet, Muhammad . Abd - Allah ibn al - Zubayr was the first Muslim to be born in Medina after the hijrah . </P> <P> Starting from 683, al - Zubayr contested the title of caliph and rebelled against the ruling Umayyad Caliphate for nearly a decade . Ibn Zubayr was defeated and killed in Mecca in 692 AD after a six - month siege by the general Al - Hajjaj ibn Yusuf . </P> <P> Abd Allah ibn al - Zubayr was a member of the Bani Hashim tribe and was born one year and 8 months after the hijra of Muhammad to Medina . As such, he was the first Muslim child born in Medina . He was the cousin of Qasim ibn Muhammad ibn Abu Bakr who, in turn, was the grandfather of Jafar al - Sadiq . </P> <P> He was born of mutah . </P>

Who was the first child born after migration (hijrat)