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In page Lady Cheonchujeon:

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Lady Cheonchujeon of the Gaeseong Wang clan (Korean: 천추전부인 왕씨; Hanja: 千秋殿夫人 王氏; lit. 'Lady of the Cheonchu Temple'), personal name Wang Aji (왕아지; 王阿志), was a Goryeo Royal Princess as the third child and oldest daughter of King Gwangjong and Queen Daemok[citation needed] who married her first cousin, Prince Cheonchu.[2]