Crown Prince Uiso

Prince of Joseon, son of Crown Prince Sado

Yi Jeong, Crown Prince Uiso
이정 의소세자

Crown Prince Successor of Joseon
(조선 왕세손)
Successor| Crown Prince Successor Yi San

Born| Yi Jeong (Korean: 이정; Hanja: 李琔)
(1750-09-27)27 September 1750
Changdeokgung, Hanseong, Joseon
Died| 17 April 1752(1752-04-17) (aged 1)
Changdeokgung, Hanseong, Joseon
House| House of Yi
Father| Crown Prince Sado
Mother| Crown Princess Consort Hyegyeong of the Pungsan Hong clan
Crown Prince Uiso

Hangul|

의소 세손

Hanja|

懿昭 世孫

Revised Romanization| Uiso Seson
McCune–Reischauer| Uiso Seson
Birth name
Hangul|

Hanja|

Revised Romanization| Yi Jeong
McCune–Reischauer| Yi Chŏng

Crown Prince Uiso (Korean: 의소세자; Hanja: 懿昭世子; 27 September 1750 – 17 April 1752[a]) or Crown Prince Successor Uiso (의소세손; 懿昭世孫), personal name Yi Jeong (이정; 李琔) was a Joseon Crown Prince as the son of Crown Prince Sado and Crown Princess Consort Hyegyeong and was third in line of succession to the throne to King Yeongjo. He was the older brother of King Jeongjo. His Chinese name was Changheung (창흥; 昌興; Changheung; J'anghŭng).[1]

## Biography

[edit]

His mother, Crown Princess Consort Hye, of the Pungsan Hong clan was the great-great-great-granddaughter from Princess Jeongmyeong, the only daughter of Queen Inmok and King Seonjo. Due to intermarriage into the royal family, Princess Jeongmyeong was also his 5th great-grandaunt, and 4th great-grandmother.

His maternal grandfather was Hong Bong-han, whose younger brother was Hong In-han, a minister and later Prime Minister of that time.

He was the first grandson of the 21st King Yeongjo of Joseon and his father, Crown Prince Sado, was the illegitimate second son of King Yeongjo. King Yeongjo's first son, Crown Prince Hyojang, died at the age of 10, leaving Crown Prince Sado as King Yeongjo's only male descendant. King Yeongjo hoped for another son but instead bore only daughters.

Uiso's father Crown Prince Sado had a severe mental illness and was often at odds with his father, King Yeongjo. Crown Prince Sado favoured the political party Soron, while King Yeongjo supported the ruling party Noron.

On September 27, 1750, he was born in Gyeongchungung, Changgyeonggung, Hanseong, Joseon. On May 13, 1751 King Yeongjo declared him the political heir.

In December 1751, his aunt Crown Princess Consort Hyeon died. Soon after on 17 April 1752, Crown Prince Uiso died in Tongmyeongjeon Hall. His grandfather, King Yeongjo took both of their deaths hard and severed from psychological trauma for some time.

He was given a state funeral,[2] from special instructions of King Yeongjo. His body was buried to the south of Mt. Ahnhyon (안현 鞍峴), Bugahyeon-dong in Hanseong.[3] King Yeongjo named his grave Uiso grave and wrote the epitaphs, erecting a tombstone.

Ten years later, in 1762, his grandfather, King Yeongjo, had his father, Crown Prince Sado, executed by locking him in a rice chest and starving him. His younger brother became the Grand Heir of Joseon in 1759 as he was intended to take over after their grandfather. He later became King of Joseon in 1776.

In 1870, during King Gojong of Joseon's 6th year of reign, his grave name was Uiryong Park (의령원; 懿寧園).[4] On June 7, 1949, his grave was moved to Wondang in Goyang.

## Family

[edit]

* Father: King Jangjo of Joseon (조선 장조; 13 February 1735 – 12 July 1762)
* Grandfather : King Yeongjo of Joseon (조선 영조; 31 October 1694 – 22 April 1776)
* Grandmother : Royal Noble Consort Yeong of the Jeonui Lee clan (영빈 이씨; 15 August 1696 – 23 August 1764)
* Mother: Queen Heongyeong of the Pungsan Hong clan (헌경왕후 홍씨; 6 August 1735 – 13 January 1816)
* Grandfather : Hong Bong-han (홍봉한; 1713–1778)
* Grandmother : Lady Lee of the Hansan Lee clan (한산 이씨; 1713–1755)

1. Brother: King Jeongjo of Joseon (조선 정조; 28 October 1752 – 18 August 1800)
1. Sister-in-law: Queen Hyoui of the Cheongpung Kim clan (효의왕후 김씨; 5 January 1754 – 10 April 1821)
2. Sister: Princess Cheongyeon (청연공주; 1754 – 9 June 1821)
1. Brother-in-law: Kim Gi-seong (김기성; ?–1811)
3. Sister: Princess Cheongseon (청선공주; 1756 – 20 July 1802)
1. Brother-in-law: Jeong Jae-hwa (정재화; 1754–1790)

## Ancestry

[edit]

Ancestors of Crown Prince Uiso

|  |  |  |  |  |  |  |  |  | 16\. King Hyeonjong

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| 8\. King Sukjong|

|  |  |
| 17\. Queen Myeongseong of the Kim Clan

| 4\. King Yeongjo|

|  |  |  |  |
| 18\. Choi Hyo-won

| 9\. Royal Noble Consort Suk of the Choi Clan|

|  |  |
| 19\. Lady Hong

| 2\. Crown Prince Sado|

|  |  |  |  |  |  |

| 10\. Lee Yoo-beon|

|  |  |

| 5\. Royal Noble Consort Yeong of the Lee Clan|

|  |  |  |  |

| 11\. Lady Kim|

|  |  |

| 1\. Yi Jeong, Crown Prince Uiso of Joseon|
|  |  |  |  |  |  |  |  |
| 24\. Lord Hong Chom-jong

| 12\. Hong Chong-hon|

|  |  |
| 25\. Lady Yi

| 6\. Hong Bong-han|

|  |  |  |  |

|  |

|  |  |

| 3\. Lady Hong Hyegyeong|

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|  |

|  |  |

| 7\. Lady Yi|

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

## See also

[edit]

* Crown Prince Sado
* Crown Prince Hyojang
* Jeongjo of Joseon
* Crown Prince Munhyo

## Notes

[edit]

1. ^ In the Korean calendar (lunar), he was born on 27 August 1750 and died on 4 March 1752

## References

[edit]

1. ^ 제--호 의소세손묘소도감의궤 상 (懿昭世孫墓所都監儀軌 上). www.heritage.go.kr (in Korean). Retrieved June 26, 2021.
2. ^ 조선왕실 장례 지침서 '국조상례보편' 국역 연합뉴스 2008.10.09. (in Korean)
3. ^ 의소세손 의령원 부장품 (in Korean)
4. ^ 의령원 터 Archived 2018-04-01 at the Wayback Machine (in Korean)

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House of Yi

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Crown Prince[note 2]|

* Yi Bang-seok (1392–1398)
* Grand Prince Yangnyeong (1404–1418)
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* Yi Hwang (1502–1506)
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* Sado (1736–1762)
* Uiso (1751–1752)
* Munhyo (1784–1786)
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Daewongun[note 3]|

* Deokheung (1569)
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Rival king|

* Heungan (1624)

* Korea under Japanese rule (1910–1945)

King Yi[note 4]
(1910–1947)|

| King Emeritus
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|

King
(Changdeokgung)|

* Yi Cheok (1910–1926)
* Yi Un (1926–1947)

Crown Prince|

* Yi Un (1910)
* Yi Ku (1931)

* Post-World War II (1945–present)

Director of the
Royal Family Association
(1957–)|

| In office|

* Yi Un (1966)
* Yi Ku (1973)
* Yi Won (2007)

|

Posthumous
recognition|

* Yi Kang

Pretenders|

* Yi Seok (2005–2021/2022)
* Andrew Lee (entrepreneur) (2021/2022-present)
* Yi Hae-won (2006–2020)

* # denotes that the king was deposed and never received a temple name.

1. ^ Those who were listed were not reigning monarchs but posthumously recognized; the year following means the year of recognition.
2. ^ Only the crown princes that did not become the king were listed; the former year indicates when one officially became the heir and the latter one is that when one died/deposed. Those who ascended to the throne were excluded in the list for simplification.
3. ^ The title given to the biological father, who never reigned, of the kings who were adopted as the heir to a precedent king.
4. ^ The de jure monarch of Korea during the era was the Emperor of Japan, while the former Korean emperors were given nobility title "King Yi" instead.

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