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.
[4] Through his only daughter, he would become the maternal grandfather of King Gongyang.
He was once imprisoned after committing adultery with Kim Yŏng-jang (김영장)'s widow, but was soon released after his brother exerted pressure on Goryeo court due to the power he had from Yuan.
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