佛祖歷代通載 7.6

7.6

Qifu Guoren of the Western Qin (originally a Western Xianbei. His ancestors came out from Yinshan north of the Han. Later he surrendered to Fu Jian, who appointed him Southern Chanyu to guard Yongshichuan. After Fu Jian's defeat, Guoren proclaimed himself King and Great Chanyu, and later named his state Western Qin, seizing Jincheng to illegitimately establish himself. In the fourth year, yiyou, he changed the era to Jianyi).