Rashid al-Din
According to various versions of the Oghuz-Turkic heroic epos "Oghuzname", the Salyr tribe played an important role in the Oghuz Yabgu State up to the middle of the 10th century until the beginning of the Seljuk movement, and many Khans of this State were from the Salyrs. Rashid al-Din Hamadani: