Who married Queen Heonjeong?

Queen Heonjeong (헌정왕후;獻貞王后, 966 – 1 July 992) was a Korean Goryeo dynasty queen. She was the fourth wife of the fifth king Gyeongjong of Goryeo, and younger sister of Queen Heonae. She was the mother of the eighth king Hyeonjong of Goryeo, who was her illegitimate son.

Gyeongjong of Goryeo (9 November 955 – 13 August 981) (r. 975–981) was the fifth ruler of the Goryeo dynasty of Korea. He was the eldest son of Gwangjong, and was confirmed as Crown Prince in the year of his birth.

Upon rising to the throne, Gyeongjong established the Jeonsigwa (land-allotment system). Later, according to the Goryeo-sa, he avoided politics and royalty, and spent his time cavorting with commoners.