The Founder of the Abbasid dynasty was a traitor to the Kaysanites called Muhammad Al-Imam who took control in 716. It is possible that this is the Mahmad referred to by John of Damascus as leading the Ishmaelies. It is possible that a new Quranic using materials from the Umayyads "book of the Arabs and from the Quranic Kaysanites Astana al-Hadith was completely re-written composed at this time.