Chai Rong
Guo Zongxun (郭宗訓) (14 September 953 – 973), also known by his posthumous name Gongdi (恭帝; "Emperor Gong"), was the third and last emperor of ancient China's short-lived Later Zhou during the Five Dynasties and Ten Kingdoms period. He reigned from July 959, when he succeeded his father Chai Rong, until February 960, when he was overthrown by general Zhao Kuangyin, who founded the Song Dynasty.