Su Gui
Su Gui (Chinese: 蘇瓌 or 蘇瑰; 639 – 20 August 710), courtesy name Changrong (昌容) or Tingshuo (廷碩), posthumous name Duke Wenzhen of Xu (許文貞公), was an official of the Chinese Tang dynasty and Wu Zhou dynasty, serving as a chancellor during the reigns of Emperor Zhongzong, Emperor Shang, and Emperor Ruizong.