Grand Prince Yeondeok
Grand Prince Yeondeok (; born Wang Hun) or known before as Prince Yeondeok, was a Goryeo Royal family member as the 3rd and youngest son of Duke Gangyang, son of King Chungnyeol. Though his only daughter, he eventually became the maternal grandfather of King Gongyang. He once imprisoned after committed adultery with Gim Yeong-jang (김영장)'s widow, but soon released after his brother exerted pressure on Goryeo court due to the power he had from Yuan.