Duke of Buyeo

Duke Buyeo, born Wang Su and also known as Marquess Buyeo, was a Goryeo royal prince as the second son of King Munjong and Consort Ingyeong, full brother of Wang Do and Wang Yu.

Life and issue

In 1080, Wang Su was honoured as Marquess Buyeo and given "1000 sik-eup after became Gaebuuidongsamsa Geomgyosagong Susangseoryeong. Six years later, he married his own half sister or maternal first cousin, Princess Jeokgyeong and have a son named Wang Myeon together. However, this marriage was very controversial at that time since Buyeo's brothers, include: Duke Jinhan, Marquess Geumgwan, Marquess Byeonhan and others criticized him for having an incestuous marriage, also begged their elder brother, King Seonjong to annul the marriage, but Seonjong didn't want to hear the appeal and rejected it.
Wang Su later appointed as Susado, received "2000 sik-eup" and honoured as Duke Buyeo. In 1094, he became Sutaebo, given "3000 sik-eup" and "300 sik-sil" in 1095.
Wang Su was exiled to Yangmok-gun, Gyeongsan-bu in 1099 without detailed case or charges, but it was recorded that the king personally gave books related Confucianism and Buddhism to his brother who was going to the exile place.
In 1112, Wang Su committed a crime again and moved to Geoje-hyeon while his only son, Wang Myeon exiled to Jillye-hyeon at the same time. On his way to Geoje-hyeon, Wang Su died at Hyeonpung-hyeon and Yejong then stopped the inquiry for three days upon hearing about his uncle's death. A year later, Wang Myeon was pardoned and able to return to Gaegyeong, also received back his position as Sagong.