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Ali ibn Isa ibn Mahan

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Name  Ali Isa

Ali ibn Isa ibn Mahan (fl. 785 – 3 July 811) was a prominent Iranian military leader of the Abbasid Caliphate in the late 8th and early 9th centuries.

Ali's father, Isa ibn Mahan, was an early follower and da'i of the Abbasids; he mutinied after the Abbasid Revolution and was executed by Abu Muslim. Ali himself appears first in 779/80. under Caliph al-Mahdi (775–785), as commander of the caliphal guard (ḥaras). He then served as commander of the guard of the heir al-Hadi (r. 785–786), and continued in the post after the latter's accession. Under al-Hadi, he also occupied the posts of secretary of the army department (diwan al-jund), the powerful post of chamberlain (hajib) and director of the treasures. Under Harun al-Rashid (r. 786–809) he continued to serve as commander of the guard until 796, when he was named governor of Khurasan, a move opposed by Yahya al-Barmaki. As a leader of the abna′ al-dawla, the troops that formed the core of the Abbasid army in Iraq, he antagonized the Khurasanis and oppressed them through heavy taxation, with the revenue diverted for the upkeep of the abna′ and for filling his own coffers; during his eight-year tenure, he amassed a vast fortune. This resulted in the outbreak of a major rebellion under Rafi ibn al-Layth, which eventually required the personal intervention of Harun al-Rashid in 808.

Replaced by Harthama ibn A'yan and disgraced, Ali rose again to prominence after the death of Harun in March 809. As many of the Baghdadi elites, he was a strong supporter of the new Caliph, al-Amin (r. 809–813), who honoured him with the appellation shaykh hadhihi'l-dawla and put him in charge of the affairs of his own heir, Musa. In early 811, with the outbreak of civil war between al-Amin and his brother al-Ma'mun, who had been given a large viceregal domain encompassing Khurasan, al-Amin entrusted Ali with the subduing al-Ma'mun and his followers. At the head of a huge army of reportedly 50,000 men drawn from the abna′, Ali marched east, but in the Battle of Rayy on 3 July 811 he was crushingly defeated and killed by a far smaller army of al-Ma'mun under Tahir ibn al-Husayn.

Of his sons, Isa served his father as deputy governor for Sistan, but was killed by Rafi ibn al-Layth's supporters in 807. Another son, al-Husayn, also served in Sistan during Ali's governorship of Khurasan, and suppressed an anti-Abbasid rebellion and recruited troops in Syria in 811/2. With the advance of al-Ma'mun's troops, which led to the Siege of Baghdad (812–813), al-Husayn briefly imprisoned al-Amin and tried to rouse the citizens of Baghdad to switch their allegiance to al-Ma'mun, but failed and was killed.


Ali ibn Isa ibn Mahan Wikipedia

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