Emperor Shang
Wei Sili (韋嗣立; 654–719), courtesy name Yan'gou (延構), formally Duke Xiao of Xiaoyao (逍遙孝公), was an official of the Chinese dynasty Tang Dynasty and Wu Zetian's Zhou Dynasty, serving as a chancellor during the reigns of Wu Zetian, her sons Emperor Zhongzong and Emperor Ruizong, and her grandson Emperor Shang.