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| Yi Seon 이선 | |||||||||
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 A 19th century portrait of Sado | |||||||||
| Regent of Joseon | |||||||||
| Tenure | 11 March 1749 – 4 July 1762 | ||||||||
| Predecessor | Crown Prince Yi Geum | ||||||||
| Successor | Grand Heir Yi San | ||||||||
| Monarch | Yeongjo of Joseon | ||||||||
| Crown Prince of Joseon | |||||||||
| Tenure | 25 April 1736 – 4 July 1762 | ||||||||
| Investiture | Injeongjeon Hall, Changdeokgung, Hansŏng, Joseon | ||||||||
| Predecessor | Crown Prince Yi Haeng | ||||||||
| Successor | Crown Prince Yi Sun | ||||||||
| Born | 13 February 1735 Jibbokheon Hall, Changgyeonggung, Hansŏng, Joseon | ||||||||
| Died | 12 July 1762 (aged 27) Munjeongjeon Hall, Changgyeonggung, Hansŏng, Joseon | ||||||||
| Burial | Yungneung Tombs, Yunggeonneung Cluster, Hwaseong, Gyeonggi Province, South Korea | ||||||||
| Consort | Lady Hyegyŏng (m.1744–1762) | ||||||||
| Issue | Yi San, King Jeongjo of Joseon | ||||||||
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| Clan | Jeonju Yi clan | ||||||||
| Dynasty | House of Yi | ||||||||
| Father | Yeongjo of Joseon | ||||||||
| Mother |
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| Religion | Neo-Confucianism | ||||||||
| Korean name | |
| Hangul | 사도 세자, later 장헌 세자 |
|---|---|
| Hanja | |
| Revised Romanization | Sado Seja, later Jangheon Seja |
| McCune–Reischauer | Sato Secha, later Changhŏn Secha |
| Birth name | |
| Hangul | 이선 / 이훤 |
| Hanja | 李愃 |
| Revised Romanization | I Seon / I Hwon |
| McCune–Reischauer | Yi Sŏn / Yi Hwŏn |
| Courtesy name | |
| Hangul | 윤관 |
| Hanja | 允寬 |
| Revised Romanization | Yungwan |
| McCune–Reischauer | Yunkwan |
| Art name | |
| Hangul | 의재 |
| Hanja | 毅齋 |
| Revised Romanization | Uijae |
| McCune–Reischauer | Ŭichae |
| Temple name | |
| Hangul | 장종 / 장조 |
| Hanja | 莊宗 / 莊祖 |
| Revised Romanization | Jangjong / Jangjo |
| McCune–Reischauer | Changchong / Changcho |
Crown Prince Sado (Korean: 사도세자; Hanja: 思悼 世子; 13 February 1735 – 12 July 1762), personal name Yi Seon (이선; 李愃), was the second son of King Yeongjo of Joseon. His biological mother was Royal Noble Consort Yeong of the Jeonui Yi clan. Due to the prior death of Sado's older half-brother, Crown Prince Hyojang, the new prince was the probable future monarch. However, at the age of 27, he died, most likely of dehydration and possibly of starvation after being confined in a rice chest on the orders of his father in the heat of summer.[1]
- ^ The Memoirs of Lady Hyegyŏng, translated JaHyun Kim Haboush, p. 321