Hasan Buzurg
Hasan Buzurg (c. 1305–1356) founded Jalayirid rule in Iraq and Persia. A Jalayir amir, after the Ilkhanate collapsed in 1335 he became its kingmaker: in 1336 he defeated 'Ali Padshah and set up the child Muhammad Khan at Tabriz.
Defeated by the Chobanid Hasan Kucek in 1338 and 1340, he withdrew to Baghdad and built an independent state, ruling as ulus beg without taking the khan's title. He died in July 1356 and was succeeded by his son Shaikh Awais.