Crown Prince Yi Cheok
E748015
Crown Prince Yi Cheok, better known as Emperor Sunjong, was the last emperor of Korea’s Joseon/Daehan Empire, whose short and largely symbolic reign ended with Japan’s formal annexation of Korea.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Crown Prince Yi Cheok canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T8277869 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Crown Prince Yi Cheok Context triple: [Gojong of Korea, child, Crown Prince Yi Cheok]
-
A.
King Jangsu
King Jangsu was a powerful 5th-century monarch of the Korean kingdom of Goguryeo who greatly expanded its territory and presided over a period of political and cultural flourishing.
-
B.
King Jinheung
King Jinheung was a powerful 6th-century monarch of the Korean kingdom of Silla who greatly expanded its territory and laid foundations for the later unification of the Korean Peninsula.
-
C.
King Seongjong
King Seongjong was a Joseon dynasty monarch of Korea known for consolidating royal authority, promoting Confucian governance, and overseeing significant cultural and architectural developments.
-
D.
Emperor Gongmin
Emperor Gongmin was a ruler of the Goryeo dynasty in Korea known for his efforts to reform government corruption and reduce Mongol influence in the 14th century.
-
E.
King Seonjo of Joseon
King Seonjo of Joseon was the 14th monarch of Korea’s Joseon dynasty, known for his troubled reign during the Japanese invasions of the late 16th century and the resulting political and social upheaval.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Crown Prince Yi Cheok Target entity description: Crown Prince Yi Cheok, better known as Emperor Sunjong, was the last emperor of Korea’s Joseon/Daehan Empire, whose short and largely symbolic reign ended with Japan’s formal annexation of Korea.
-
A.
King Jangsu
King Jangsu was a powerful 5th-century monarch of the Korean kingdom of Goguryeo who greatly expanded its territory and presided over a period of political and cultural flourishing.
-
B.
King Jinheung
King Jinheung was a powerful 6th-century monarch of the Korean kingdom of Silla who greatly expanded its territory and laid foundations for the later unification of the Korean Peninsula.
-
C.
King Seongjong
King Seongjong was a Joseon dynasty monarch of Korea known for consolidating royal authority, promoting Confucian governance, and overseeing significant cultural and architectural developments.
-
D.
Emperor Gongmin
Emperor Gongmin was a ruler of the Goryeo dynasty in Korea known for his efforts to reform government corruption and reduce Mongol influence in the 14th century.
-
E.
King Seonjo of Joseon
King Seonjo of Joseon was the 14th monarch of Korea’s Joseon dynasty, known for his troubled reign during the Japanese invasions of the late 16th century and the resulting political and social upheaval.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
emperor of Korea
ⓘ
human ⓘ last emperor of Korea ⓘ member of the Joseon dynasty ⓘ monarch ⓘ |
| alsoKnownAs |
Emperor Sunjong
ⓘ
Sunjong of Korea ⓘ Yi Cheok ⓘ Yi Cheok, Sunjong of Korea ⓘ
linked to:
Emperor Sunjong
|
| birthDate | 1874-03-25 ⓘ |
| birthPlace |
Joseon
ⓘ
linked to:
Korean Empire
Seoul ⓘ |
| burialPlace |
Namyangju
ⓘ
Yureung Royal Tomb ⓘ |
| citizenship | Korean Empire ⓘ |
| coronationDate | 1907-08-27 ⓘ |
| country | Korean Empire ⓘ |
| deathDate | 1926-04-24 ⓘ |
| deathPlace |
Changdeokgung
ⓘ
linked to:
Changdeokgung Palace Complex
Japanese Korea ⓘ Seoul ⓘ |
| dynasty | Joseon ⓘ |
| eraName | Yunghui ⓘ |
| ethnicity | Korean ⓘ |
| father | Emperor Gojong of Korea ⓘ |
| house | House of Yi ⓘ |
| language | Korean ⓘ |
| laterStatus | retired emperor under Japanese rule ⓘ |
| mother | Empress Myeongseong ⓘ |
| notableEvent |
Japan–Korea Annexation Treaty of 1910
ⓘ
linked to:
Japan–Korea Annexation Treaty
formal annexation of Korea by the Empire of Japan ⓘ |
| notableFor |
being the last reigning monarch of the Korean Empire
ⓘ
reigning during the period of increasing Japanese control over Korea ⓘ |
| position | Crown Prince of Korea before accession ⓘ |
| posthumousName |
Emperor Sunjong Hyo-on
ⓘ
linked to:
Emperor Sunjong
|
| predecessor | Emperor Gojong of Korea ⓘ |
| reignCharacteristics | largely symbolic rule under Japanese influence ⓘ |
| reignEnd | 1910-08-29 ⓘ |
| reignStart | 1907-07-20 ⓘ |
| religion |
Confucianism
ⓘ
Korean Buddhism ⓘ |
| residence |
Changdeokgung Palace
ⓘ
linked to:
Changdeokgung Palace Complex
|
| royalTitle |
Crown Prince of Joseon
ⓘ
linked to:
Crown Prince of Korea
Emperor of the Korean Empire ⓘ
linked to:
Emperor Gojong of Korea
|
| spouse | Empress Sunjeonghyo ⓘ |
| style | His Imperial Majesty ⓘ |
| succeededAs | second emperor of the Korean Empire ⓘ |
| successor | none (monarchy abolished after annexation by Japan) ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Crown Prince Yi Cheok Description of subject: Crown Prince Yi Cheok, better known as Emperor Sunjong, was the last emperor of Korea’s Joseon/Daehan Empire, whose short and largely symbolic reign ended with Japan’s formal annexation of Korea.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.