宗楚客
In 710, Emperor Zhongzong died suddenly—a death that traditional historians believed to be a poisoning by Empress Wei and Li Guo'er, so that Empress Wei could eventually become "emperor" like Wu Zetian, and Li Guo'er could become crown princess. Meanwhile, however, Empress Wei was set to name another son of Emperor Zhongzong's, Li Chongmao the Prince of Wen, emperor, and under a will drafted for Emperor Zhongzong by Emperor Zhongzong's sister Princess Taiping and his concubine Consort Shangguan Wan'er, Empress Wei would retain power as empress dowager and regent, but Li Dan, now the Prince of Xiang, would be co-regent. Empress Wei, with Emperor Zhongzong's death still kept a secret from the people, convened a meeting of 19 officials, including Wei Anshi, Wei Juyuan, Xiao Zhizhong, Zong Chuke (Zong Jinqing's brother), Ji Chuna, Wei Wen (Empress Wei's cousin), Li Jiao, Wei Sili, Tang Xiujing, Zhao Yanzhao, and Su to discuss the matter. During the meeting, the draft will was discussed, and Zong Chuke and Wei Wen, arguing that it was inappropriate for Li Dan to be co-regent, as traditionally, a brother-in-law was not supposed to speak to a sister-in-law. Su objected, stating, "How can an imperial will be altered?" Zong and Wei Wen became visibly angry, and Su did not dare to speak further, and so the provision of having Li Dan serve as co-regent was stricken from the draft will. Li Chongmao took the throne (as Emperor Shang), and Empress Wei served as empress dowager and regent.