| Grand Princess Bokguk 복국장공주 濮國長公主 | |
| Succession: | Consort of Goryeo |
| Reign: | 1316 – 8 November 1319 |
| Reign-Type: | Tenure |
| Coronation: | 1316 |
| Predecessor: | Queen Gongwon |
| Successor: | Princess Joguk |
| Father: | Esen Temür |
| Birth Name: | Borjigin Yilianzhenbala |
| Birth Place: | Yuan dynasty |
| Death Date: | 8 November 1319 |
| Death Place: | Goryeo |
| Full Name: |
Borjigin Yilianzhenbala Pae'ajigŭn Yŏk'ninjinpal'la |
| Posthumous Name: |
|
| House: | Borjigin (by birth) House of Wang (by marriage) |
| Hangul: | 복국 |
| Rr: | Bokguk Janggongju |
| Mr: | Pokkuk Changgongju |
| Hangulborn: | 역린진팔라 |
| Hanjaborn: | or |
| Rrborn: | Yeongninjinpalla |
| Mrborn: | Yŏngninjinp'alla |
| Hangulph: | 정화 |
| Rrph: | Jeonghwa Gongju |
| Mrph: | Chŏnghwa Kongju |
Grand Princess Bokguk (; ; d. 8 November 1319) was a Yuan dynasty imperial family member who became a Korean royal consort as the first wife[2] of King Chungsuk of Goryeo.[3] Her personal name was Borjigin Yilianzhenbala . She died in 1319, within three years of her wedding.[4]
When she came to Goryeo in the same year with her marriage in 1316, it was said that she was very jealous of Virtuous Consort Hong due to Hong's closeness with the King.[5] As a result, the Princess did not have a good relationship with the King and often was beaten, which made her bleed from her nose.[6] Three years later, she died and received her Posthumous name as Princess Jeonghwa .
Two years later, in 1321, Yi Sang-ji was sent from Jungseoseong, Yuan dynasty to investigate the Princess's death. At this time, the Princess's servant and some witnesses said:
"Last August, when King Chungsuk and Consort Hong secretly slept together, the Princess eventually became jealous [of them] making her [receive beatings from] the King. This accident [happened often] until sometimes the Princess [bled from] her nose because of this."
(작년 8월 충숙왕과 덕비가 몰래 동침하자 공주가 질투하여 왕이 공주를 구타하였으며, 이때 공주가 코피를 흘렸다. 9월에도 묘련사에 가서 왕이 공주를 구타하는 것을 에센부카(於侁夫介, 어신부개) 등이 말렸다).For checking the other truth, the Yuans took all of the witnesses. Later, the Goryeo officials (Baek Won-hang and Bak Hyo-su) claimed their innocence and the investigation narrowly ended. For honour the Princess, the Yuan dynasty gave her the better title as Grand Princess of Bok State in 1343. Meanwhile, she and Chungsuk did not have any issue.