Princess Hwisin

Princess Hwisin (Korean: 휘신공주; Hanja: 徽愼公主; 24 October 1491¹ – ?), or firstly honoured as Princess Hwisun (휘순공주; 徽順公主), was a Joseon Royal Princess and the eldest daughter of Yeonsangun of Joseon and Deposed Queen Sin.

Her title as Princess was abolished after her father's abdication and was titled as Gu Mun-gyeong’s wife (구문경의 처), Lady Yi (이씨), or Lady Gu (구씨) to follow her husband's clan, the Neungseong Gu clan.

Biography

Early life

On 24 October 1491, the Princess was born when her father, Prince Yeonsan, and her mother, Princess Consort Geochang, were still the heir successor to the throne as Crown Prince and Crown Princess Consort. The Princess was eventually named Yi Su-eok (이수억; 李壽億).²

Through her mother, the Princess was a cousin of Queen Dangyeong and was a cousin-in-law of Princess Gyeongsun; the daughter of King Seongjong. She eventually became the great-grandaunt of Queen Inheon through her brother-in-law, Gu Hui-Gyeong (구희경; 具希璟), and his wife, Lady Shin of the Geochang Shin clan (거창 신씨; 居昌 愼氏); who also happened to be her and Queen Dangyeong’s younger cousin.

Princess Hwisin was the only child within her siblings to have survived to adulthood.

Marriage

The Princess was arranged to marry with Gu Su-yeong's fourth son, Gu Mun-gyeong, in 1510³ who was then given the title of Lord Neungyang or Prince Consort Neungyang (능양위).⁴ The couple had three sons named Gu Eom in 1512, Gu Ham in 1515, and Gu Dam in 1518. Gu Su-yeong was already the son-in-law of Grand Prince Yeongeung, the eighth son of and .