Whakaotihia te rerenga e whai ake nei: Ko Al-Sayyid Ibrahim ibn Musa al-Kazim (), e mohiotia ana ko al-Murtadha (, "te Kaiwhiwhi o te koa o 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 mai o te
Ko te Fitna tuawha. 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.