الفضل بن الربيع

الفضل بن الربيع

Dhu al-Qa'da 208 AH

Abu'l-'Abbas al-Fadl ibn al-Rabi' — son of al-Mansur's and al-Mahdi's chamberlain, chamberlain of al-Rashid and vizier of al-Amin, to whom he delivered the staff and seal from Khurasan and who then 'appointed and dismissed at will'; he also narrated hadith from al-Mansur and al-Mahdi. Al-Jahiz: 'the shrewdest and greatest of men'; knowing al-Ma'mun's accession meant his end he egged al-Amin to depose him for his infant son Musa. Died at the close of Dhu'l-Qa'da 208 1.

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Era
The Early Abbasid Caliphate
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Summary

Al-Fadl ibn al-Rabi was the vizier of al-Amin and the chamberlain of Harun al-Rashid 2.

With al-Amin

Al-Jahiz described him as the most intelligent and greatest of men. Al-Suyuti mentions that he knew that if the caliphate passed to al-Ma'mun, al-Ma'mun would spare him nothing. He therefore incited al-Amin to depose him, and urged him to appoint his son Musa as heir 2 3.

This is al-Suyuti's explanation of his position, not the museum's verdict.

In the Tarikh Baghdad

He was al-Fadl ibn al-Rabi' ibn Yunus ibn Muhammad ibn Abi Farwa. Abu Farwa's name was Kaysan, and his kunya was Abu al-Abbas. His father al-Rabi' had been chamberlain to al-Mansur and al-Mahdi, and al-Fadl was chamberlain to Harun al-Rashid. When the caliphate passed to al-Amin, al-Fadl came to him from Khurasan, where he had been in Rashid's company until Rashid died at Tus, bringing the treasure, the staff and the ring. Al-Amin drew him near, was kind to him, entrusted him with his affairs and governance, and gave him charge of everything beyond his gate. He was the one who appointed and dismissed, while al-Amin veiled himself from the people and sat only in private. He related hadith from al-Mansur and al-Mahdi, the two Commanders of the Faithful 1.

Abu Nuwas said about him:

By your life, al-Amin Muhammad was never absent from the matter that concerns him whenever al-Fadl was present. Were it not for the inheritance of the caliphate, that it was his before the other, there would be no excellence between them. I see al-Fadl combining the world and religion, as an arrow has its nock, its feathers and its head.

4

Al-Fadl ibn al-Rabi', the chamberlain, died in the year 208, on a Monday, the last day of Dhu al-Qa'da, though it is also said 207. His birth is given as 140, or else 138 4.

Connections

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Related to
محمد الأمين بن هارون الرشيد· Harun al-Rashid

People and things also explored

The Division of the Caliphate among al-Rashid's Sons· Bayt al-Hikma — the House of Wisdom· Clash of Tahir ibn al-Husayn with Ali ibn Isa· The Aman of Samalu and its People's Transfer to Baghdad· Death of Harun al-Rashid at Tus· Umar's Expulsion of the Christians of Najran· The Building of Madinat al-Hadath· The Building of al-Rafiqa

Sources

  1. Tarikh Baghdad — al-Khatib al-Baghdadi , j.10 p.343-344
  2. Tarikh al-Khulafa — al-Suyuti (Dar al-Minhaj edition) , p. 459
  3. Tarikh al-Khulafa — al-Suyuti (Dar al-Minhaj edition) , p. 473
  4. Tarikh Baghdad — al-Khatib al-Baghdadi , j.10 p.344
Cite this page

islam.museum contributors. “الفضل بن الربيع”. islam.museum, https://islam.museum/en/person/fadl-ibn-al-rabi/. CC BY-SA 4.0. Last updated 2026-10-22.

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Related

The Division of the Caliphate among al-Rashid's Sons

Al-Rashid settled the succession on his son Muhammad — titled al-Amin, aged five, at his mother Zubayda's urging — in 175; on Abdallah — al-Ma'mun, with all Khurasan — after him in 182; and on al-Qasim — al-Mu'tamin, with the Jazira and the marches, still a boy — in 186, and hung a copy of the compact in the Ka'ba. Al-Dhahabi calls this the first weakening to enter the Islamic state from the imamate's side; a sage said he had cast enmity between them to the flock's harm. Some add that al-Mu'tasim was passed over for illiteracy — yet God brought him the rule and made all later caliphs his descendants.