Rama VIII of Thailand
E673881
Rama VIII of Thailand, born Ananda Mahidol, was the eighth king of the Chakri dynasty whose brief and mysterious reign ended with his unexplained death in 1946.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Ananda Mahidol | 1 |
| King Rama VIII | 1 |
| Rama VIII of Thailand canonical | 1 |
| Rama VIII of the Chakri dynasty | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7489336 — 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: Rama VIII of Thailand Context triple: [Prince Mahidol Adulyadej, child, Rama VIII of Thailand]
-
A.
Prince Mahidol Adulyadej
Prince Mahidol Adulyadej was a Thai royal prince revered as the “Father of Modern Medicine and Public Health in Thailand” for his pivotal role in advancing the country’s medical and public health systems.
-
B.
Maha Vajiralongkorn
Maha Vajiralongkorn is the King of Thailand, reigning as Rama X of the Chakri dynasty.
-
C.
Bhumibol Adulyadej
Bhumibol Adulyadej was the long-reigning and highly revered King of Thailand, known as Rama IX, who served as the country’s monarch from 1946 until his death in 2016.
-
D.
Rama VII
Rama VII was the last absolute monarch and seventh king of the Chakri dynasty of Siam (now Thailand), reigning during a period of significant political change that led to the end of absolute monarchy in the country.
-
E.
King Mongkut of Siam
King Mongkut of Siam was the 19th-century monarch of Thailand (r. 1851–1868) renowned for modernizing his kingdom and engaging with Western powers while preserving Siamese independence.
- 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: Rama VIII of Thailand Target entity description: Rama VIII of Thailand, born Ananda Mahidol, was the eighth king of the Chakri dynasty whose brief and mysterious reign ended with his unexplained death in 1946.
-
A.
Prince Mahidol Adulyadej
Prince Mahidol Adulyadej was a Thai royal prince revered as the “Father of Modern Medicine and Public Health in Thailand” for his pivotal role in advancing the country’s medical and public health systems.
-
B.
Maha Vajiralongkorn
Maha Vajiralongkorn is the King of Thailand, reigning as Rama X of the Chakri dynasty.
-
C.
Bhumibol Adulyadej
Bhumibol Adulyadej was the long-reigning and highly revered King of Thailand, known as Rama IX, who served as the country’s monarch from 1946 until his death in 2016.
-
D.
Rama VII
Rama VII was the last absolute monarch and seventh king of the Chakri dynasty of Siam (now Thailand), reigning during a period of significant political change that led to the end of absolute monarchy in the country.
-
E.
King Mongkut of Siam
King Mongkut of Siam was the 19th-century monarch of Thailand (r. 1851–1868) renowned for modernizing his kingdom and engaging with Western powers while preserving Siamese independence.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
King of Thailand
ⓘ
human ⓘ member of the Chakri dynasty ⓘ monarch ⓘ |
| alsoKnownAs |
King Ananda Mahidol
NERFINISHED
ⓘ
Phra Bat Somdet Phra Ananda Mahidol NERFINISHED ⓘ |
| ascendedToThroneAsMinor | true ⓘ |
| birthName | Ananda Mahidol NERFINISHED ⓘ |
| burialPlace |
Bangkok
NERFINISHED
ⓘ
Wat Ratchabophit NERFINISHED ⓘ |
| citizenship |
Siam
NERFINISHED
ⓘ
Thailand NERFINISHED ⓘ |
| coronationDate | 1935-03-02 ⓘ |
| country | Thailand ⓘ |
| dateOfBirth | 1925-09-20 ⓘ |
| deathDate | 1946-06-09 ⓘ |
| deathPlace |
Bangkok
NERFINISHED
ⓘ
Grand Palace NERFINISHED ⓘ Thailand NERFINISHED ⓘ |
| education |
Lausanne
NERFINISHED
ⓘ
University of Lausanne NERFINISHED ⓘ |
| era | 20th century ⓘ |
| father | Mahidol Adulyadej NERFINISHED ⓘ |
| houseStyle | His Majesty ⓘ |
| mannerOfDeath |
controversial
ⓘ
unexplained ⓘ |
| monarchNumber |
Rama VIII
NERFINISHED
ⓘ
eighth king of the Chakri dynasty ⓘ |
| mother | Srinagarindra NERFINISHED ⓘ |
| notableEvent | mysterious death in 1946 ⓘ |
| notableFor | brief reign as King of Thailand ⓘ |
| placeOfBirth |
Germany
NERFINISHED
ⓘ
Heidelberg NERFINISHED ⓘ Weimar Republic NERFINISHED ⓘ |
| positionHeld |
King of Siam
NERFINISHED
ⓘ
King of Thailand NERFINISHED ⓘ |
| predecessor | Rama VII of Thailand NERFINISHED ⓘ |
| regencyCouncil | Council of Regency of Siam NERFINISHED ⓘ |
| regent |
Phraya Phahonphonphayuhasena
NERFINISHED
ⓘ
Pridi Banomyong NERFINISHED ⓘ |
| reignEnd | 1946-06-09 ⓘ |
| reignStart | 1935-03-02 ⓘ |
| religion |
Theravada
ⓘ
surface form:
Theravada Buddhism
|
| residence |
Bangkok
NERFINISHED
ⓘ
Switzerland ⓘ |
| royalHouse | Chakri dynasty NERFINISHED ⓘ |
| sibling |
Bhumibol Adulyadej
NERFINISHED
ⓘ
Galyani Vadhana NERFINISHED ⓘ |
| successor |
Bhumibol Adulyadej
NERFINISHED
ⓘ
Rama IX of Thailand NERFINISHED ⓘ |
| title |
King of Siam
NERFINISHED
ⓘ
King of Thailand NERFINISHED ⓘ |
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: Rama VIII of Thailand Description of subject: Rama VIII of Thailand, born Ananda Mahidol, was the eighth king of the Chakri dynasty whose brief and mysterious reign ended with his unexplained death in 1946.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
King Rama VIII
this entity surface form:
Ananda Mahidol
this entity surface form:
Rama VIII of the Chakri dynasty