李滉
In 1460, her third older sister, Han Naeng-yi, who was 15 years old, married Yi Hwang, Crown Prince Haeyang and became the Crown Princess of Joseon. However, she died in 1461, due to postpartum illness, five day after giving birth to Yi Bun, Grand Prince Inseong. Posthumously, she was honoured as Queen Jangsun.