The fourth monarch of North Korea, Wang Zhao (925-975), was born in the eighth year of Taizu (925). He is the son of Wang Jian, the son of Korean Mao, and the mother and brother of Yao Wang, the goddess of Shunsheng Emperor. On the third day of March in the fourth year of Dingzong (949), Dingzong Yao Wang was seriously ill and abdicated to his mother Wang Zhao. Guangzong died in May of the 26th year (975). After his death, Guangzong, with the name of the temple, became the emperor of Dacheng, posthumous title. Later, it was changed to Hongdao Xuanlie, Su Xiaokang, Hui Dacheng, and was buried in the Xianling Mausoleum.