Tuhia he haere tonu mo tenei whitianga - Ko Al-Sayyid Ibrahim ibn Musa al-Kazim (), e mohiotia ana ko al-Murtadha (, "te Kaiwhiwhi o te ahuareka a te Atua"), i mate i te 825 i muri ranei o te 837, he kaiarahi Alid no te rautau iwa i arahi i te tutu ki te Abbasid Caliphate i Yemen i muri i te wha o nga Fitna
He aha? I muri mai ka mau ia ki te mana o Mecca i te ca. 817, ana i muri mai ka mohiotia ko ia te kawana ture o te taone na te caliph al-Ma'mun.