"The rulers of Xueyantuo claimed to be originally named Xue (薛/偰), and that the name of the tribe was changed to Xueyantuo after the Xue defeated and merged the Yantuo into their tribe.After Yishibo, the Xueyantuo founded a short-lived Qaghanate over the steppe under Zhenzhu Khan, his son Duomi and nephew Yitewushi Khan, the last of whom eventually surrendered to the Chinese.