(Empress Yuchi's grandfather) and Sima Xiaonan (????) after they had risen against him in 580, Yang Jian seized the throne from Emperor Jing in March 581, ending the Northern Zhou and establishing the Sui dynasty as Emperor Wen. Emperor Wen created Emperor Jing the Duke of Jie, and while it is unclear what Empress Dowager Yang's title was at this point, it was likely she carried the title of "Dowager Duchess of Jie". Emperor Wen soon slaughtered Emperor Jing and the other members of the Northern Zhou's imperial Yuwen clan.

As Princess Leping of Sui