Kumo Xi
He was defeated by Gaoche ruler Afuzhiluo (阿伏至羅) together with his younger cousin Qiongqi (穷奇), they managed their clans of over 100,000 yurts to escape from the pursuing armies, led by Dulun and his uncle Nagai by defeating them in 487. In 488, he invaded Yiwu with 3000 soldiers and returned to steppes. Following it, eastern wing of Rouran fell into Khitan and Kumo Xi hands in 490.