Ilyas ibn Asad was a Samanid

Samanid

The Samani dynasty , also known as the Samanid Empire, or simply Samanids was a Persian state and empire in Central Asia and Greater Iran, named after its founder Saman Khuda, who converted to Sunni Islam despite being from Zoroastrian theocratic nobility...

 ruler of Herat

Herat

Herāt is the capital of Herat province in Afghanistan. It is the third largest city of Afghanistan, with a population of about 397,456 as of 2006. It is situated in the valley of the Hari River, which flows from the mountains of central Afghanistan to the Karakum Desert in Turkmenistan...

 (819–856). He was one of the four sons of Asad

Asad ibn Saman

Asad was an early Samanid. He was the son of Saman Khuda, the founder of the Samanid dynasty.According to tradition, Asad was named by his father in honor of the Caliphal governor of Khurasan Asad ibn 'Abd-Allah al-Qasri , who had converted Saman to Islam. Asad had four sons: Nuh, Ahmad, Yahya, and...

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In 819 Ilyas was granted authority over the city of Herat by Caliph Al-Ma'mun's

Al-Ma'mun

Abū Jaʿfar Abdullāh al-Māʾmūn ibn Harūn was an Abbasid caliph who reigned from 813 until his death in 833...

 governor of Khorasan, Ghassan ibn 'Abbad, as a reward for his support against the rebel Rafi' ibn Laith. Unlike his other three brothers, Ilyas was not given a city in Transoxiana

Transoxiana

Transoxiana is the ancient name used for the portion of Central Asia corresponding approximately with modern-day Uzbekistan, Tajikistan, southern Kyrgystan and southwest Kazakhstan. Geographically, it is the region between the Amu Darya and Syr Darya rivers...

. When he died in 856, control of Herat was given to his son Ibrahim

Ibrahim ibn Ilyas

Ibrahim ibn Ilyas was a Samanid ruler of Herat . He was the son of Ilyas.Upon his father's death in 856, Ibrahim was given control of the city of Herat. He afterwards became a military leader for the Tahirid governor of Khurasan, Muhammad ibn Tahir. Ibrahim was sent by Muhammad to battle the...

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Preceded by: None

Samanid Samanid The Samani dynasty , also known as the Samanid Empire, or simply Samanids was a Persian state and empire in Central Asia and Greater Iran, named after its founder Saman Khuda, who converted to Sunni Islam despite being from Zoroastrian theocratic nobility...  Ruler (in Herat) 819–856

Followed by: Ibrahim Ibrahim ibn Ilyas Ibrahim ibn Ilyas was a Samanid ruler of Herat . He was the son of Ilyas.Upon his father's death in 856, Ibrahim was given control of the city of Herat. He afterwards became a military leader for the Tahirid governor of Khurasan, Muhammad ibn Tahir. Ibrahim was sent by Muhammad to battle the...