Crown Prince Munhyo

Korean name
Hangul	문효세자 / 문효태자
Hanja	文孝世子 / 文孝太子
Revised Romanization	Munhyo Seja, later Munhyo Taeja
McCune–Reischauer	Munhyo Secha, later Munhyo T'aecha
Birth name
Hangul	이순
Hanja	李㬀
Revised Romanization	I Sun
McCune–Reischauer	Yi Sun

Posthumous name
	Crown Prince Munhyo 문효세자 (Joseon Dynasty) → 문효태자 (Korean Empire); 文孝世子 (Joseon Dynasty) → 文孝太子 (Korean Empire); ;

Yi Sun
이순
Yi Sun; 이순
Crown Prince of Joseon
Tenure	17 August 1784 – 6 June 1786
Investiture	Seonjeongjeon Hall, Changdeok Palace, Hanseong, Kingdom of Joseon
Predecessor	Crown Prince Yi Seon
Successor	Crown Prince Yi Gong
Born	October 13, 1782; Yeonhwadang Hall, Changdeok Palace, Hanseong, Kingdom of Joseon
Died	June 6, 1786 (aged 3); Jangyeongjeon Hall, Changgyeong Palace, Hanseong, Kingdom of Joseon
Burial	Hyochangwon Tomb, Seosamneung Cluster, Goyang, Gyeonggi Province, South Korea
Posthumous name
Posthumous name
	Crown Prince Munhyo 문효세자 (Joseon Dynasty) → 문효태자 (Korean Empire); 文孝世子 (Joseon Dynasty) → 文孝太子 (Korean Empire); ;
Clan	Jeonju Yi clan
Dynasty	House of Yi
Father	Jeongjo of Joseon
Mother	Royal Noble Consort Ui (Biological); Queen Hyoui (Adoptive);
Religion	Neo-Confucianism

Crown Prince Munhyo (Hangul: 문효세자, Hanja: 文孝世子; 13 October 1782 – 6 June 1786), personal name Yi Sun (Hangul: 이순, Hanja: 李㬀), was the first son of Jeongjo of Joseon and his favorite concubine, Royal Noble Consort Ui of the Changnyeong Seong clan.^[1]^[2]^[3] He was the older half-brother of King Sunjo.

Family[]

Father: Yi San, King Jeongjo (정조 이산) (28 October 1752 – 18 August 1800)
- Biological grandfather: Jangjo of Joseon (조선 장조) (13 February 1735 – 12 July 1762)
- Adoptive grandfather: Jinjong of Joseon (조선 진종) (April 4, 1719 – December 16, 1728)
- Biological grandmother: Queen Heongyeong of the Pungsan Hong clan (헌경왕후 홍씨) (6 August 1735 – 13 January 1816)
- Adoptive grandmother: Queen Hyosun of the Pungyang Jo clan (효순왕후 조씨) (8 January 1716 – 30 December 1751)
Biological mother: Royal Noble Consort Ui of the Changnyeong Seong clan (의빈 성씨) (6 August 1753 – 4 November 1786)^[4]
- Grandfather: Seong Yun-u (성윤우) (1709 – 1769)
- Grandmother: Lady of the Im clan (부인 임씨) (1722 – 1756)
Adoptive mother: Queen Hyoui of the Cheongpung Kim clan (효의왕후 김씨) (5 January 1754 – 10 April 1821)

Portrayed by Cha Jae-dol in the 2007 MBC TV series Lee San, Wind of the Palace.
Portrayed by Park Da-on in the 2021 MBC TV series The Red Sleeve.

^ "Archived copy". db.itkc.or.kr. Archived from the original on 24 September 2016. Retrieved 12 January 2022.{{cite web}}: CS1 maint: archived copy as title (link)
^ "조은집".
^ "연구성과 - 한국학진흥사업성과포털 [한국학중앙연구원]". waks.aks.ac.kr.
^ "자료목록::해외한국학자료센터". kostma.korea.ac.kr.

Birth name
Korean name
Hangul	문 효 세 자 / 문 효 태 자
Hanja	文孝世子 / 文孝太子
Revised Romanization	Munhyo Seja, later Munhyo Taeja
McCune–Reischauer	Munhyo Secha, later Munhyo T'aecha
Hangul	이 순
Hanja	李㬀
Revised Romanization	I Sun
McCune–Reischauer	Yi Sun