 The general Gao Huan, who had been a follower of Erzhu Rong, believed that the Erzhus could be overthrown, and rebelled in summer 531.The members of the Erzhu clan were largely unconcerned, due to Gao's inferiority in numbers, but Erzhu Shilong, knowing Gao's abilities, was concerned.Gao soon declared another distant member of the imperial Yuan clan, Yuan Lang, emperor.