| Marquess Gaeseong | |
|---|---|
| Prince of Goryeo | |
| Born | Wang Gae Goryeo |
| Died | 1062 Goryeo |
| House | House of Wang |
| Father | Jeongjong of Goryeo |
| Mother | Queen Yongui of the Danju Han clan |
| Religion | Buddhism |
| Korean name | |
| Hangul | 개성후 |
| Hanja | 開城侯 |
| Revised Romanization | Gaeseong Hu |
| McCune–Reischauer | Ka'esŏng Hu |
| Birth name | |
| Hangul | 왕개 |
| Hanja | 王暟 |
| Revised Romanization | Wang Gae |
| McCune–Reischauer | Wang Ka'e |
| Posthumous name | |
| Hangul | 신상 |
| Hanja | 愼殤 |
| Revised Romanization | Sinsang |
| McCune–Reischauer | Sinsang |
Marquess Gaeseong (Korean: 개성후; Hanja: 開城侯; d. 1062), personal name Wang Gae (Korean: 왕개; Hanja: 王暟) was a Korean Royal Prince as the third and youngest son of Jeongjong of Goryeo and Queen Yongui.[1] Due to his father's death when he was young, so he was raised and brought up into the Palace by his half-uncle, Munjong of Goryeo.[2]
In 1052, he became the preceptor in Dongsam Temple, Gaebu and appointed as Sangseoryeong (상서령)[3] to work in Sangju State with his new title as Marquess Gaeseong (개성후; 開城侯). At the same time, he also received 2.000 sik-eup (식읍).[4] Then became Jainborijwahwagongsin (자인보리좌화공신; 資仁保理佐化功臣).[5] He later died in 1062[6] and received his posthumous name Sinsang (신상; 愼殤).[5]