Ustadh Sis (also spelled: Ustad Sis, or Ostad Sis, fa, استاد سیس) was a

Persian Persian may refer to: * People and things from Iran, historically called ''Persia'' in the English language ** Persians, the majority ethnic group in Iran, not to be conflated with the Iranic peoples ** Persian language, an Iranian language of the ...

heresiarch In Christian theology, a heresiarch (also hæresiarch, according to the ''Oxford English Dictionary''; from Greek: , ''hairesiárkhēs'' via the late Latin ''haeresiarcha''Cross and Livingstone, ''Oxford Dictionary of the Christian Church'' 1974) ...

and anti-

Arab The Arabs (singular: Arab; singular ar, عَرَبِيٌّ, DIN 31635: , , plural ar, عَرَب, DIN 31635: , Arabic pronunciation: ), also known as the Arab people, are an ethnic group mainly inhabiting the Arab world in Western Asia, ...

rebel leader. They write that he was once a governor of Khorasan and Alleged father to Ma'mūn’s Iranian mother, Marjil, which makes him Ma'mūn's grandfather. He claimed he was a

prophet In religion, a prophet or prophetess is an individual who is regarded as being in contact with a divine being and is said to speak on behalf of that being, serving as an intermediary with humanity by delivering messages or teachings from the s ...

God In monotheistic thought, God is usually viewed as the supreme being, creator, and principal object of faith. Swinburne, R.G. "God" in Honderich, Ted. (ed)''The Oxford Companion to Philosophy'', Oxford University Press, 1995. God is typically ...

in the eastern fringe of Khorasan in the mid 8th century and managed to gain followers among the villagers in that area. Many were previously followers of Bihafarid, whom the

Abbasid 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 ...

commander, Abu Muslim, crushed militarily.

Reinvigoration of Bihafarid's movement

Ustadh Sis launched a rebellion in 767, purportedly with 300,000 fighting men. His initial base was the mountainous region of

Badghis Bādghīs ( Dari: ) is one of the thirty-four provinces of Afghanistan, located in the northwest of the country, on the border with Turkmenistan. It is considered to be one of the country's most underdeveloped provinces, with the highest povert ...

, and he soon occupied

Herat Herāt (; Persian: ) is an oasis city and the third-largest city of Afghanistan. In 2020, it had an estimated population of 574,276, and serves as the capital of Herat Province, situated south of the Paropamisus Mountains (''Selseleh-ye Safē ...

and

Sistan Sistān ( fa, سیستان), known in ancient times as Sakastān ( fa, سَكاستان, "the land of the Saka"), is a historical and geographical region in present-day Eastern Iran ( Sistan and Baluchestan Province) and Southern Afghanistan ( ...

before marching towards

Merv Merv ( tk, Merw, ', مرو; fa, مرو, ''Marv''), also known as the Merve Oasis, formerly known as Alexandria ( grc-gre, Ἀλεξάνδρεια), Antiochia in Margiana ( grc-gre, Ἀντιόχεια ἡ ἐν τῇ Μαργιανῇ) and ...

. He initially defeated an Abbasid army under the command of al-Ajtham of

, but was himself defeated in a bloody battle against an army led by Muhammad ibn Abdallah, the son of the

Caliph A caliphate or khilāfah ( ar, خِلَافَة, ) is an institution or public office under the leadership of an Islamic steward with the title of caliph (; ar, خَلِيفَة , ), a person considered a political-religious successor to th ...

al-Mansur Abū Jaʿfar ʿAbd Allāh ibn Muḥammad al-Manṣūr (; ar, أبو جعفر عبد الله بن محمد المنصور‎; 95 AH – 158 AH/714 CE – 6 October 775 CE) usually known simply as by his laqab Al-Manṣūr (المنصور) w ...

(and a future Caliph himself). According to al-Tabari, 70,000 of Ustadh Sis's followers were killed in the battle, and 14,000 were taken captive. Ustadh Sis managed to flee to the mountains, but the general Khazim ibn Khuzayma al-Tamimi followed him and was able to capture him. Ustadh Sis was sent in chains to

Al-Mansur Abū Jaʿfar ʿAbd Allāh ibn Muḥammad al-Manṣūr (; ar, أبو جعفر عبد الله بن محمد المنصور‎; 95 AH – 158 AH/714 CE – 6 October 775 CE) usually known simply as by his laqab Al-Manṣūr (المنصور) w ...

, who ordered his execution. Later,

Al-Mahdi Abū ʿAbd Allāh Muḥammad ibn ʿAbd Allāh al-Manṣūr ( ar, أبو عبد الله محمد بن عبد الله المنصور; 744 or 745 – 785), better known by his regnal name Al-Mahdī (, "He who is guided by God"), was the third Abb ...

gave amnesty to 30,000 captives.

References

{{DEFAULTSORT:Ustadh Sis Year of birth missing Year of death missing 8th-century Iranian people Iranian religious leaders Iranian prophets Rebels from the Abbasid Caliphate Khurasan under the Abbasid Caliphate 8th-century executions by the Abbasid Caliphate

Reinvigoration of Bihafarid's movement

See also

References