Nevertheless, after this incident Bumin emerged as the leader of the revolt against the Rouran.In 551, Bumin requested a Western Wei princess for marriage. Yuwen Tai permitted it and sent Princess Changle of Western Wei to Bumin in July or August 551. In the same year Emperor Wen of Western Wei died, and Bumin sent a mission and gave two hundred horses.

The Book of Zhou does not explicitly date revolt of the Tiele. Sima Guang's