Chŏngju Yu clan

The Chŏngju Yu clan is a Korean clan. Their bongwan is Chŏngju, in modern-day Kaepung, Kaesong, North Korea. It was founded by Yu Chon-gung who was a nobleman from Chŏngju and served as one of the Three Major Grand Masters.

History

Wang Kon first met the future Queen Sinhye in Chŏngju while he was still serving under Taebong's monarch, Kung Ye. When four of Kung Ye's generals suggested Wang to rebel against Gung, Queen Sinhye's family, actively persuaded Wang to overthrew Kung Ye.
A prominent ancestor who made the family prosperous was Yu So become a Jeonjungsieosa in 1011, Eosajapdan in 1016, Saheonjungseung in 1019, and Ganuidaebu in 1022, also Taejabingaek.

Goryeo Queen Consorts

Agnatic descent

Chŏngju Yu produced the three-queens consorts of Goryeo, they were:
*Queen Sinhye, King Taejo's first wife.
*Queen Jeongdeok, King Taejo's sixth wife
*Queen Myeongui, King Sukjong's only wife.

Adopted Chŏngju Yu clan

Queen Munhye, King Munwon's only wife.
Queen Seonui, King Daejong's only wife.