Another of Abu Bakr's grandsons, Abd Allah ibn al-Zubayr, was very close to Husayn bin Ali. After Hussein ibn Ali was betrayed by the people of Kufa and killed by the Yazid I Army of the, Umayyads ruler, Abd Allah ibn al-Zubayr confronted Yazid and expelled him from Iraq, southern Arabia and the greater part of Syria, and parts of Egypt. Following a lengthy campaign, on his last hour Abd Allah ibn al-Zubayr asked his mother Asma' bint Abu Bakr, the daughter of the first caliph, for advice. Asma' bint Abu Bakr replied to her son: