His great-grandfather had been an ally of Feng Ba, and had conducted campaigns against Northern Wei, though he was less successful than other Rouran khans.

His father was Che Zhuhun (Chinese: 车朱浑; pinyin: Chē zhū hún) who rose to the rank of General of Agile Cavalry, Provincial Governor of Yanzhou, Ministry of Ceremonies.

[3] During the Taihe period he moved south together with the Xianbei of the Northern dynasty, establishing himself in Luoyang, Henan.

Yu Jiulü Furen was an official in the Sui dynasty, to whom was dedicated the epitaph unearthed in the 20th century.

[2][4] His epitaph was unearthed in March 1963 in Wangqiao Village, Erwuli, South of Diaoyangcheng, Hebei Province.