Crown Prince Munhyo (Korean: 문효세자; Hanja: 文孝世子; 13 October 1782 – 6 June 1786), personal name Yi Sun (이순; 李㬀), was the first son of Jeongjo of Joseon and his favorite concubine, Royal Noble Consort Ui of the Changnyeong Seong clan.
Crown Prince Munhyo was posthumously granted the title of "Taeja" (태자) by King Gojong after the establishment of the Korean Empire in 1897.
[4] On the morning of September 7, 1782, in the lunar calendar, he was born to King Jeongjo of Joseon and his concubine, Uibin Sung.
[2] However, Crown Prince Munhyo suddenly succumbed to smallpox on June 6, 1786 (May 11 in the lunar calendar) at the age of 5, in the east hall of Jagyeongjeon in Changgyeong Palace.
It also had a significant impact on the history of Joseon, sparking a power struggle between the supporters of Munhyo and those of his half-brother, Sunjo.
[2] On May 14, 1786 (the 10th year of King Jeongjo), the posthumous title of the crown prince was discussed in the royal court and decided to be "Onhyo" (温孝).
In 1783, the placenta of Munhyoseoja, the crown prince of Joseon, was enshrined at Yongmunsa Temple in Yecheon, Gyeongbuk Province.
[1] During the Japanese occupation, the Iwangjik (Office of the Royal Household) removed the contents of the tae sil, leaving only the tombstone.
As a result, it is currently situated alongside the tomb of Yi Soseon (의소세자, the son of King Yeongjo).
[9] King Jeongjo visited the tomb of Crown Prince Munhyo several times, and this is why the name of the hill in Yongsan-gu, Hyochanggun, is called "Geodunggogae" (거둥고개, lit.