Princess Hamnyeong () was a Goryeo Royal Princess as the younger daughter of King Wonjong and Princess Gyeongchang who later married her third cousin once removed, Wang Hye the Duke Gwangpyeong ().Wang Hye was the oldest son of Wang Jo, Duke Gyeongwon (); 3rd son of King Huijong and Queen Seongpyeong, also Hamnyeong's grandmother's 3rd older brother. In 1279, he got dispatched to Gyeongsang Province and supervised a battleship to be used to conquer the East alongside Tapnap () and Hapbaekna (), envoys from Yuan dynasty. Then in 1285, Hye died and his properties were confiscated by King Chungnyeol.
References
Princess Hamnyeong on the Encyclopedia of Korean Culture .