 Al-Biladhuri also wrote that al-'As enclosed a domain to Bayt Jibrin, which he named 'Ajlan, after one of his freemen.The 1904 "Analecta Bollandiana" recounts that in 638 the Muslim army beheaded fifty soldiers in Bayt Jibrin from the Byzantine garrison of Gaza who refused to abandon Christianity and who were then buried in a church built in their honor.In the beginning of the power struggle between Ali and Mu'awiya for the position of caliph, al-'As left Medina in the Hejaz and resided in Bayt Jibrin with his two sons Muhammad and Abdullah.