Wang Seokgi

Wang Seokgi was the youngest son of King Chunghye of Goryeo, from Princess Euncheon and also a Korean Buddhist monk.
Under King Chungjeong's command, Seokgi went to Mandeok Temple in Yuan China, but later returned to Gaegyeong by King Gongmin's command. In 1356, Seokgi was imprisoned in Sugunok after tried to rebel and ascended the theone with the help from former general Im Jung-bo, Son Su-gyeong, Hong-Jun, governor Son-Yong and 6 others were executed. Seokgi was enshrined in Jeju Island and tried to be killed by drowning it in the sea during the convoy, but later was survived in a private manor.
In 1363, Jeon Nok-saeng to an author and beheaded those who falsely reported the pregnancy of Princess Euncheon. Their close associates were also executed.
After this, Seokgi fled and lived in hiding in a private house owned by Baek Eo-rin in Anhyeop, married a civilian woman and later had a son. They lived quietly for a while, but in 1375, this fact was known into Yi In-im, Gyeong Bu-heung, Choe Yeong, Choe In-cheol and other officials, those made Seokgi and his son were really executed and killed.