Princess Janggyeong of the Gyeongwon Yi clan () was the third wife of King Sunjong of Goryeo.
She became his consort in 1083 and after his death, she stayed live outside the palace. She was then discovered to have committed adultery with a male slave from the palace, those made her being deposed from her position. Yi Cha-gyŏm, her older brother, became a noble and was a high-ranked official, but due to her adultery, he was also involved in this case and dismissed from his position. After Crown Prince Wang U's ascension to the throne, his status was restored and his daughter become Yejong's queen.
Family Father: Yi Ho () Brother: Yi Cha-gyŏm ( d. 1126) Niece: Queen Sundeok (d. 1118) Niece: Deposed Princess Yeondeok (d. 1139) Niece: Deposed Princess Bokchang (d. 1195) Brother: Yi Cha-ryang (이자량; d. 1123) Husband, formerly first cousin: Sunjong of Goryeo – No issue.
References
External links Princess Janggyeong on the Encyclopedia of Korean Culture . 장경궁주 on Doosan Encyclopedia .