Xianbei
The Xianbei (; ) were a Proto-Mongolic ancient nomadic people that once resided in the eastern Eurasian steppes in what is today Mongolia, Inner Mongolia, and Northeastern China. They originated from the Donghu people who splintered into th ...
Three Kingdoms
The Three Kingdoms () from 220 to 280 AD was the tripartite division of China among the dynastic states of Cao Wei, Shu Han, and Eastern Wu. The Three Kingdoms period was preceded by the Eastern Han dynasty and was followed by the West ...
period of China. He retained his independence by pledging allegiance to the state of
Cao Pi
Cao Pi () ( – 29 June 226), courtesy name Zihuan, was the first emperor of the state of Cao Wei in the Three Kingdoms period of China. He was the second son of Cao Cao, a warlord who lived in the late Eastern Han dynasty, but the eldest ...
, the first Wei emperor. During the reign of the second Wei emperor
Cao Rui
Cao Rui () (204 or 206 – 22 January 239), courtesy name Yuanzhong, was the second emperor of the state of Cao Wei during the Three Kingdoms period. His parentage is in dispute: his mother, Lady Zhen, was Yuan Xi's wife, but she later rem ...
, Budugen attempted to form an alliance with another Xianbei chieftain, Kebineng, and start a rebellion against Wei rule. However, the rebellion was crushed and Budugen was killed by Kebineng.