조선의 왕 중에 가장 어린 나이에 왕이 된 인물은 누구인가?
Seongjong of Joseon (August 20, 1457 – January 20, 1494) was the ninth king of the Joseon Dynasty of Korea. He succeeded King Yejong in 1469 and ruled until 1494.
Seongjong of Joseon