Who dated Queen Heonjeong?

Queen Heonjeong of the Hwangju Hwangbo clan (Korean: 헌정왕후 황보씨; Hanja: 獻貞王后 皇甫氏; c. 966–993), or formally called as Grand Queen Mother Hyosuk (Korean: 효숙왕태후; Hanja: 孝肅王太后) during her son's reign, was a Goryeo royal family member as the third daughter of Wang Uk and youngest sister of King Seongjong. She later became the fourth wife of her first cousin, King Gyeongjong. After his death, she had an affair with her half uncle, giving birth to King Hyeonjong.

Not much is known about her early life beside that she and her siblings were raised by their paternal grandmother.