 Believing in a fortuneteller who told him that Lady Wei would one day be empress and believing Yang Zhao's three sons to be in the way, Yang Jian engaged witches to curse his nephews.In anger, Emperor Yang executed some of Yang Jian's close associates and ordered Lady Wei to commit suicide.Emperor Yang commented, "I only have Yang Jian as a son; otherwise, I would have dragged him to the execution field and had him beheaded, to show the power of laws."