Duke Daewon or Marquess Daewon (1093âÂÂ1161), personal name Wang Hyo was a Goryeo Royal Prince as the fifth son of Sukjong of Goryeo and Queen Myeongui.
In 1102, he firstly received his name, "Hyo" () and was said to especially favored by his father which he said:
Wang Hyo was then given silverware (), silk (), artillery (), grain (), and a saddled horse (). The king also said:
After his father's death, the young prince Hyo lived with his mother in the Yeondeok Palace (), which from there he was called as Young Prince of the Yeondeok Palace (). He formally became a marquess on the 2nd months of 1106 along with received "2,000 sik-eup" (2ì²Âø ìÂÂìÂÂ) and "300 sik-sil" (3백ø ìÂÂì¤). A year later, his brother moved to Seogyeong, ordered Yun Kwan and O Yeon-chong () to conquered the Jurchens while Hyo stayed in the capital to protect the royal family and appointed as Geomgyotaebo () in 1108. Then, in 1110, Hyo became Gwanghyogongsin Sutaewi () and was given his mother's residenceâÂÂMyeongbok Palace () during her lifetime under the king's command in 1113. A year later, he became a duke and married the oldest daughter of Duke Yanggan () on the 3rd months of 1115, also became a Taebo () in 1122 by received silk (), goldware (), and horse () through Choe Hong-jae ().
However, not long after Yi Cha-gyà Âm came to the power, both Wang Hyo and Wang Bo were exiled to Gyeongsan-bu (now Seongju County, North Gyeongsang Province). In 1129, Wang Hyo was able to back to Gaegyeong and his nephew, King Injong made him held his former position again and gave him "3,500 sik-eup" (3ì²Â5백ø ìÂÂìÂÂ) and "500 sik-sil" (5백ø ìÂÂì¤), along with a new house, silk (), goldware (), and horse (). Four years later, in 1133, his wife died. Later on, Wang Hyo died at the age of 69 in 1161 and his mortuary was built at Gwangje Temple (). He was given a Posthumous name, Jangpyeong () and cremated on the 28th days at the foot of a hill. His remains were placed in "Inhyobulwon" () for a while until his funeral was held at the eastern foot of the Uiryong Mountain on the 11th months.