殤帝
Su Gui (蘇瓌 or 蘇瑰) (639 – December 18, 710), courtesy name Changrong (昌容) or Tingshuo (廷碩), formally Duke Wenzhen of Xu (許文貞公), was an official of the Chinese dynasty Tang Dynasty and Wu Zetian's Zhou Dynasty, serving as a chancellor during the reigns of Emperor Zhongzong, Emperor Shang, and Emperor Ruizong.