Pei Ju
He therefore continued to progress toward Luoyang, and he engaged Li at the Battle of Hulao. Li defeated and captured him, and Wang surrendered. Li took both Dou and Wang back to Chang'an to be presented to his father Emperor Gaozu of Tang, who executed Dou. The Xia forces withdrew to the Xia capital at Mingzhou (present-day Guangfu) and considered declaring Dou's adopted son as prince. The official Qi Shanxing (齊善行), however, persuaded the others that further resistance would be futile, and the treasures that the Xia state had previously obtained were distributed to the soldiers, who were then disbanded. Qi, the former Sui official Pei Ju, and Empress Cao's brother Cao Dan (曹旦) then accompanied her, carrying the treasures and the imperial seals Dou took after defeating Yuwen, and they surrendered to Tang forces. Nothing further was said about her in history.