 While she was in Tujue, one of Yang Jian's consorts gave birth to a posthumous son, Yang Zhengdao (), whom she raised, and whom Ashina Duojishi subsequently created the Prince of Sui, assigning to him as his subjects the refugees from Sui.She went to live in Dingxiang.During the years, Tujue's khans continued to use Yang Zhengdao as a magnet to attract the people to surrender, in competition to Tang Dynasty, established by the Sui general Li Yuan (Emperor Gaozu).