However, subsequently, Dou was executed by Emperor Gaozu of Tang (Li Shimin's father). The former Xia generals and officials, who had returned to civilian life but who had been often harassed by Tang officials and worried that they would also be executed, gathered secretly and considered rising against Tang rule. After they, led by Gao Yaxian (), were informed by fortunetellers that their leader should be someone named Liu, they first offered their leadership to the general Liu Ya (), who refused (and was then killed by them).
However, subsequently, Dou was executed by Emperor Gaozu of Tang (Li Shimin's father). The former Xia generals and officials, having returned to civilian life but often troubled by Tang authorities and worried that they would also be executed, secretly gathered together and considered rebelling against Tang rule. After being informed by fortune-tellers that their leader should be named Liu, they initially proposed leadership to General Liu Ya (), who declined (and was then killed).