Although , along with the general Kim Jong - seo , she attempted to strengthen royal authority , a coup led by her uncle ended with her brother 's banishment .
In 1452 , Princess Gyeonghye 's brother ascended the throne and she acted as his guardian .
Along with the general Kim Jong - seo , she attempted to strengthen royal authority , a coup led by her uncle ended with her brother 's banishment .
In 1452 , Princess Gyeonghye 's brother ascended the throne and she acted as his guardian .