Lady Uiseongbuwon

Lady Uiseongbuwon of the Uiseong Hong clan (lit. 'Lady of the Uiseong Courtyard') was the daughter of Hong Yu who became the 27th wife of Taejo of Goryeo. Her father was one of the earliest supporters for Wang Kŏn in establishing the new Goryeo dynasty along with Sin Sung-gyŏm, Pok Chigyŏm and  Pae Hyŏn-gyŏng, also they all defeated Kung Ye. Hong Yu also served Taejo as his Three Grand Masters (삼중대광) and with Taejo, she had a son, Grand Prince Uiseongbuwon who later married Lady Yu, 3rd daughter of Queen Jeongdeok.