)In 550, Empress Gao's brother Gao Yang, who had by that point succeeded Gao Huan and another son of Gao Huan's, Gao Cheng, forced Emperor Xiaojing to yield the throne to him, ending Eastern Wei and starting Northern Qi as its Emperor Wenxuan.He created the former Emperor Xiaojing the Prince of Zhongshan, and created the former Empress Gao the Princess Taiyuan, and she therefore carried double titles.