Wu Sansi
Wu Sansi (died August 7, 707), known posthumously as Prince Xuan of Liang (梁宣王), was a Chinese prince and politician of the Tang and Wu Zhou dynasties. Wu Sansi served as a chancellor and imperial prince during the reign of his aunt, Empress Wu Zetian of Zhou, and was again a powerful chancellor during the second reign of Empress Wu's son, Emperor Zhongzong of Tang.