Sejong, personal name Yi Do, commonly known as Sejong the Great, was the fourth monarch of the Joseon dynasty of Korea. Today, he is regarded as one of the greatest rulers in Korean history, and is remembered as the inventor of Hangul, the native... Wikipedia
Born: May 15, 1397, Hansung
Died: March 30, 1450 (age 52 years), Hansung
Children: Sejo of Joseon, Munjong of Joseon, Grand Prince Anpyeong, and more
Spouse: Lady Choi (m. 1424–1450), Queen Soheon (m. 1408–1446), Royal Noble Consort Shin of the Cheongju Kim clan (m. ?–1450), and more
Full name: Yi Do
Siblings: Grand Prince Yangnyeong, Grand Prince Hyoryeong, Prince Seongnyeong, and more
Parents: Taejong of Joseon and Queen Wongyeong