Deokjong (9 June 1016 – 31 October 1034), personal name Wang Hŭm, was the 9th king of the Goryeo dynasty of Korea.
The son of King Hyeonjong, he was confirmed as Crown Prince in 1022.
During his reign, the compilation of national histories that was started during King Hyeonjong's reign was completed, and under the advice of General Kang Kam-ch'an the construction of the second Cheolli Jangseong began.
[1][2] After ascending the throne in 1031, Deokjong requested that the Liao dynasty return their Goryeo prisoners and pull back from the Yalu River.
After this request was refused, he turned to fortifying the northern frontier.