 Although Gao Huan treated him with respect, real power was in the hands of Gao Huan, and then Gao Huan's sons Gao Cheng and Gao Yang.In 550, Gao Yang forced Emperor Xiaojing to yield the throne to him, ending Eastern Wei and establishing Northern Qi (as its Emperor Wenxuan).Around the new year 552, the former Emperor Xiaojing was poisoned to death on the orders of the new emperor.