Sheikh (Rabbi) Rishama Sattar Jabbar Hilo al-Zahrony is the patriarch and international head of the Mandaean religion in Iraq. He is currently based in Baghdad, Iraq, where he serves as the head of the Sabian–Mandaean Mandi of Baghdad.

Sheikh (Rabbi) Ganzibra Dakhil Aidan was the Iraqi patriarch and international head of the Mandaean religion from 1917, until his death in 1964. The mandi in Liverpool, Sydney, Australia is named in his honor.