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