Crown Prince Sado, personal name Yi Seon, was the second son of King Yeongjo of Joseon. His biological mother was Royal Noble Consort Yeong of the Jeonui Yi clan. Due to the prior death of Sado's older half-brother, Crown Prince Hyojang, the new... Wikipedia
Born: February 13, 1735, Changgyeonggung Palace, Seoul, South Korea
Died: July 12, 1762 (age 27 years), Changgyeonggung Palace, Seoul, South Korea
Children: Jeongjo of Joseon, Prince Euneon, Prince Eunjeon, and more
Spouse: Lady Hyegyeong (m. 1744–1762)
Parents: Yeongjo of Joseon, Lady Yi, and Queen Jeongseong
Grandchildren: Sunjo of Joseon, Crown Prince Munhyo, Jeongye Daewongun, and more