Name: Abdullah bin Harun bin Muhammad bin Abdullah bin Muhammad bin Ali bin Abdullah bin Abbas bin Abdul-Muttalib bin Hashim
Fame: Al-Ma'mun ibn Harun al-Rashid
Kuniya: Abu al-Abbas, Abu Ja'far
Lineage: Abbasid, Qurashi, Hashemite
Occupation: Caliph
Rank: Status Unknown
Lived in: Damascus, Baghdad
Died in: Tarsus
Born Year: 170
Died Year: 218