Al-Fadl ibn Marwan () (c. 774–864) was a

Christian Arab Arab Christians ( ar, ﺍَﻟْﻤَﺴِﻴﺤِﻴُّﻮﻥ ﺍﻟْﻌَﺮَﺏ, translit=al-Masīḥīyyūn al-ʿArab) are ethnic Arabs, Arab nationals, or Arabic language, Arabic-speakers who adhere to Christianity. The number of Arab ...

official of the

Abbasid Caliphate The Abbasid Caliphate ( or ; ar, الْخِلَافَةُ الْعَبَّاسِيَّة, ') was the third caliphate to succeed the Islamic prophet Muhammad. It was founded by a dynasty descended from Muhammad's uncle, Abbas ibn Abdul-Muttalib ...

, who rose to become

vizier A vizier (; ar, وزير, wazīr; fa, وزیر, vazīr), or wazir, is a high-ranking political advisor or minister in the near east. The Abbasid caliphs gave the title ''wazir'' to a minister formerly called ''katib'' (secretary), who was a ...

under Caliph

al-Mu'tasim Abū Isḥāq Muḥammad ibn Hārūn al-Rashīd ( ar, أبو إسحاق محمد بن هارون الرشيد; October 796 – 5 January 842), better known by his regnal name al-Muʿtaṣim biʾllāh (, ), was the eighth Abbasid caliph, ruling f ...

(

reign A reign is the period of a person's or dynasty's occupation of the office of monarch of a nation (e.g., Saudi Arabia, Belgium, Andorra), of a people (e.g., the Franks, the Zulus) or of a spiritual community (e.g., Catholicism, Tibetan Buddhism, N ...

ed 833–842). He was the first of a series of Iraqi Christian officials who would come to play a significant role in the Caliphate's administration during the 9th century. Fadl began his career in the reign of

Harun al-Rashid Abu Ja'far Harun ibn Muhammad al-Mahdi ( ar , أبو جعفر هارون ابن محمد المهدي) or Harun ibn al-Mahdi (; or 766 – 24 March 809), famously known as Harun al-Rashid ( ar, هَارُون الرَشِيد, translit=Hārūn ...

(r. 786–809) as a retainer of

Harthama ibn A'yan Harthama ibn A'yan (; died June 816) was a Khurasan-born general and governor of the early Abbasid Caliphate, serving under the caliphs al-Hadi, Harun al-Rashid and al-Ma'mun. He played an important role in the victory of al-Ma'mun in the Abbasid ...

, at the time head of the caliphal bodyguard. His administrative talent brought him to the attention of Harun, who appointed him a secretary in the ''

diwan al-kharaj Diwan and divan are variant terms originally used in Persian, Arabic, and Turkish with derivates in other Asian and European languages such as diwaan, dewan, etc. (see etymology sections at Divan, Diwan (poetry) and Dewan). These terms may refer t ...

'' (the "Bureau of the

Land Tax A land value tax (LVT) is a levy on the value of land without regard to buildings, personal property and other improvements. It is also known as a location value tax, a point valuation tax, a site valuation tax, split rate tax, or a site-value r ...

"). During the

civil war A civil war or intrastate war is a war between organized groups within the same state (or country). The aim of one side may be to take control of the country or a region, to achieve independence for a region, or to change government policies ...

that followed Harun's death, Fadl retired to his estates in

Iraq Iraq,; ku, عێراق, translit=Êraq officially the Republic of Iraq, '; ku, کۆماری عێراق, translit=Komarî Êraq is a country in Western Asia. It is bordered by Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq ...

. It was there that he came to the attention of Abu Ishaq, the younger brother of Caliph

al-Ma'mun Abu al-Abbas Abdallah ibn Harun al-Rashid ( ar, أبو العباس عبد الله بن هارون الرشيد, Abū al-ʿAbbās ʿAbd Allāh ibn Hārūn ar-Rashīd; 14 September 786 – 9 August 833), better known by his regnal name Al-Ma'mu ...

(r. 813–833) and future Caliph al-Mu'tasim, who valued is expert knowledge on taxation and agriculture. In 828, Abu Ishaq took him along to

Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Mediter ...

and then appointed him to head the ''diwan al-kharaj''. During al-Ma'mun's absence on campaign against the

Byzantine Empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...

in 832–833, Fadl remained in

Baghdad Baghdad (; ar, بَغْدَاد , ) is the capital of Iraq and the second-largest city in the Arab world after Cairo. It is located on the Tigris near the ruins of the ancient city of Babylon and the Sassanid Persian capital of Ctesiphon ...

as the Caliph's deputy, and it was he who had the oath of allegiance (''

bay'ah ''Bayʿah'' ( ar, بَيْعَة, "Pledge of allegiance"), in Islamic terminology, is an oath of allegiance to a leader. It is known to have been practiced by the Islamic prophet Muhammad. ''Bayʿah'' is sometimes taken under a written pact ...

'') sworn to al-Mu'tasim when news came of al-Ma'mun's death. In September 833, he was appointed as vizier with wide-ranging powers, but his attempts to limit expenditure, and especially the Caliph's largesse to his courtiers, brought about his dismissal in February 836. He continued to serve Mu'tasim and his successors as an advisor on taxation issues until his death in 864, aged about 90.

Sources

* {{DEFAULTSORT:Fadl Ibn Marwan 770s births 864 deaths Arab Christians in Mesopotamia Viziers of the Abbasid Caliphate 8th-century Arabs 9th-century Arabs