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The Chŏngju Yu clan (Korean: 정주 유씨; Hanja: 貞州 柳氏 is a Korean clan. Their bon-gwan is Chŏngju, in modern-day Kaepung, Kaesong. It was founded by Yu Chon-gung who was a nobleman from Chŏngju and served as one of the Three Major Grand Masters (태위 삼중대광, 太尉 三重大匡).[1]
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.[3]
A prominent ancestor (jungsijo) who made the family prosperous was Yu So (유소, 柳韶) become a Jeonjungsieosa (전중시어사, 殿中侍御史) in 1011, Eosajapdan (어사잡단, 御史雜端) in 1016, Saheonjungseung (사헌중승, 司憲中丞) in 1019, and Ganuidaebu (간의대부, 諫議大夫) in 1022, also Taejabingaek (태자빈객, 太子賓客).
Goryeo Queen Consorts
Agnatic descent
Chŏngju Yu produced the three-queens consorts of Goryeo, they were:
^Kim Kap-dong (2009). 高麗 太祖妃 神惠王后와 貞州 柳氏 [The wife of Wang Geon of Goryeo, Queen Sinhye and Chŏngju Yu clan Issue 11] (in Korean and Chinese). Korean History Research. pp. 119–155. ISSN1738-3307.
