Muhammad ibn Ali ibn Abdallah
Muhammad ibn Ali ibn Abdallâh or Muhammad al-Imâm was the son of Ali ibn Abd Allah ibn al-Abbas and great-grandson of al-‘Abbas ibn ‘Abd al-Muttalib, the uncle of the Islamic prophet, Muhammad. Born in Humeima in Jordan, he was the father of the two first 'Abbâsid caliphs, As-Saffah and Al-Mansur, and as such was the progenitor of the Abbasid dynasty.When al-Mukhtar announced the revenge of Imam al-Husayn, he showed himself as the representative of Muhammad ibn al-Hanafiyyah, the Promised Mehdi according to him.After the death of Muhammad ibn al-Hanafiyyah, the imamate of Kaysanites Shia transferred to his son Abu Hashim, who transferred it to Muhammad, paving the way for the Abbasid dawa and the Abbasid Revolution.
