Lady Cheonchujeon of the Gaeseong Wang clan (), personal name Wang Aji (), was a Goryeo Royal Princess as the third child and oldest daughter of King Gwangjong and Queen Daemok who married her first cousin, Prince Cheonchu.

Family Father - Wang So, Gwangjong of Goryeo (; 925 – 4 July 975) Mother - Queen Daemok of the Hwangju Hwangbo clan () Siblings Older brother - Wang Ju, Gyeongjong of Goryeo (; 9 November 955 – 13 August 981) Older brother - Crown Prince Hyohwa () Younger sister - Royal Lady Bohwa () Younger sister - Queen Mundeok of the Chungju Yu clan () Husband - Prince Cheonchujeon ()

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