Chungju Yoo clan

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The Chungju Yoo clan or Chungju Yu clan (Korean: 충주 유씨; Hanja: 忠州 劉氏) is one of the noble Korean clans in the early Goryeo dynasty. Their Bon-gwan is in Chungju City, North Chungcheong Province.^[3] Their founder was Yu Geung-dal (유긍달) who was a Chungju powerful nobleman in the end of Kingdom of Unified Silla^[3] and become the father of Queen Sinmyeongsunseong, Taejo of Goryeo's first queen consort and third wife. She also become the mother of 5 princes (include Jeongjong of Goryeo, Gwangjong of Goryeo, and Great King Munwon) and 2 daughters (Princess Nakrang and Princess Heungbang).^[4][5] After died, Yu Geung-dal was honoured as Taesanaesaryeong (태사내사령, 太師內史令).^[6]