Crown Prince Hyoryeong (Korean: 효령태자; Hanja: 孝靈太子; born 4 June 1149[a]), personal name Wang Ki was a Goryeo Royal Prince as the first and oldest son of King Uijong and Queen Janggyeong[1] who was later deposed from his position alongside his father by Chŏng Chung-bu and Yi Ŭi-bang in 1170.
[2][4] Then, Im Kŭk-ch'ung (임극충; brother of Queen Gongye) was chosen as the prince's teacher in 1155[5] and a year later, Kim Chon-jung (김존중) was appointed as the junior guardian of the heir apparent (태자소보; 太子少保; t'aeja sobo)[6] alongside Yi Chi-mu (이지무) who was also appointed as the grand guardian of the heir apparent (태자태보; 太子太保; t'aeja t'aebo).
At this time, Wang Ki was imprisoned at "Yeongeun Hall" (영은관; 迎恩館)[12] and in the next day, Uijong was exiled to "Geoje-hyeon" (거제현; modern-day Geoje, South Korea.
[2][10] In 1173, Uijong was assassinated by Yi Ŭi-min at Gyerim (계림; 鷄林)[15] and whether the prince was still alive or dead is unknown as there are no records left.
After this, the throne was succeeded by Uijong's second younger brother, Wang Ho, the Duke Ikyang who became known as "King Myeongjong".