What is "chuluo"

Chuluo Khagan (, Middle Chinese: ( Guangyun) , died 620) was the khagan of the Eastern Turkic Khaganate, and second son of Qimin, former title: Ilteber Shad . He succeeded his elder brother Shibi and ruled for 18 months. He married the Sui dynasty's Princess Yicheng ( 義成公主) in heqin, the former wife of Qimin in levirate marriage.

Chuluo is said to have died from illness, possibly poisoned by the Minister of Ceremonies Zheng Yuanshu (鄭元璹).