sentences:  It is not known when she bore Yang Tong, likely the second of his three sons.After Yang Zhao died in 606, her activities were not clear.In 618, when the Sui state was already engulfed in various rebellions, Consort Liu was at the eastern capital Luoyang, where her son Yang Tong, then the Prince of Yue, had been left in charge of Luoyang while Emperor Yang was away at Jiangdu (江都, in modern Yangzhou, Jiangsu).