Heonjong of Joseon
Heonjong of Joseon was the 24th king of the Joseon Dynasty of Korea. He was the grandson of Sunjo. His father was Crown Prince Hyomyeong , who died at the age ofbefore becoming king and his mother was Queen Sinjeong of the Pungyang Jo clan. Heonjong was born threeyears before Hyomyeongs death.
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Source: Wikipedia