Duke of Buyeo

[2] In 1080 (34th years reign of his father), Wang Su was honoured as Marquess Buyeo (부여후; 扶餘侯) and given "1000 sik-eup (식읍 1,000호) after became Gaebuuidongsamsa Geomgyosagong Susangseoryeong (개부의동삼사 검교사공 수상서령 상주국; 開府儀同三司 檢校司空 守尙書令 上柱國).

[3] Six years later, he married his own half sister or maternal first cousin (his aunt/stepmother's eldest daughter), Princess Jeokgyeong (적경궁주)[4] and have a son named Wang Myeon (왕면; 王沔) together.

[6] Wang Su later appointed as Susado (수사도; 守司徒),[7] received "2000 sik-eup" (식읍 2,000호) and honoured as Duke Buyeo (부여공; 扶餘公).

On his way to Geoje-hyeon, Wang Su died at Hyeonpung-hyeon (now Hyeonpung-eup, Dalseong County, Daegu)[12] 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 (사공; 司空).