King Ananda Mahidol
E671752
King Ananda Mahidol (Rama VIII) was the eighth monarch of Thailand’s Chakri dynasty, known for his brief and mysterious reign from 1935 until his unexplained death in 1946.
All labels observed (1)
| Label | Occurrences |
|---|---|
| King Ananda Mahidol canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7489335 — 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: King Ananda Mahidol Context triple: [Prince Mahidol Adulyadej, child, King Ananda Mahidol]
-
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.
Prince Chulalongkorn
Prince Chulalongkorn is a character in the historical novel "Anna and the King of Siam," depicted as one of the children of the King of Siam taught by the British governess Anna Leonowens.
-
C.
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.
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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.
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E.
King Borommatrailokkanat
King Borommatrailokkanat was a 15th-century monarch of Ayutthaya renowned for major administrative, legal, and military reforms that helped centralize and strengthen the Siamese state.
- 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: King Ananda Mahidol Target entity description: King Ananda Mahidol (Rama VIII) was the eighth monarch of Thailand’s Chakri dynasty, known for his brief and mysterious reign from 1935 until 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.
Prince Chulalongkorn
Prince Chulalongkorn is a character in the historical novel "Anna and the King of Siam," depicted as one of the children of the King of Siam taught by the British governess Anna Leonowens.
-
C.
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.
-
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 Borommatrailokkanat
King Borommatrailokkanat was a 15th-century monarch of Ayutthaya renowned for major administrative, legal, and military reforms that helped centralize and strengthen the Siamese state.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Buddhist
ⓘ
King of Thailand ⓘ human ⓘ member of the Chakri dynasty ⓘ monarch ⓘ |
| alsoKnownAs |
Phra Athamaramathibodin
NERFINISHED
ⓘ
Rama VIII NERFINISHED ⓘ |
| birthCountry | Germany NERFINISHED ⓘ |
| birthDate | 1925-09-20 ⓘ |
| birthPlace | Heidelberg NERFINISHED ⓘ |
| causeOfDeath | gunshot wound ⓘ |
| coronationStatus | not formally crowned ⓘ |
| country | Thailand ⓘ |
| deathCircumstances | unexplained ⓘ |
| deathCity | Bangkok NERFINISHED ⓘ |
| deathCountry | Thailand NERFINISHED ⓘ |
| deathDate | 1946-06-09 ⓘ |
| deathPlace | Grand Palace NERFINISHED ⓘ |
| dynasticOrder | House of Mahidol NERFINISHED ⓘ |
| education | studied in Switzerland ⓘ |
| era | constitutional monarchy period of Siam/Thailand ⓘ |
| familyName | Mahidol NERFINISHED ⓘ |
| father | Prince Mahidol Adulyadej NERFINISHED ⓘ |
| givenName | Ananda NERFINISHED ⓘ |
| historicalSignificance |
one of the youngest kings in Thai history
ⓘ
subject of extensive investigation and controversy regarding his death ⓘ |
| monarchNumber | eighth monarch of the Chakri dynasty ⓘ |
| mother | Princess Srinagarindra NERFINISHED ⓘ |
| nationality | Thai ⓘ |
| notableEvent | mysterious death in the Grand Palace in 1946 ⓘ |
| politicalContext | reigned during transition from absolute to constitutional monarchy ⓘ |
| positionHeld |
King of Siam
NERFINISHED
ⓘ
King of Thailand ⓘ |
| predecessor | King Prajadhipok NERFINISHED ⓘ |
| reignEnd | 1946-06-09 ⓘ |
| reignStart | 1935-03-02 ⓘ |
| religion |
Theravada
ⓘ
surface form:
Theravada Buddhism
|
| residenceDuringReign |
Bangkok
NERFINISHED
ⓘ
Switzerland NERFINISHED ⓘ |
| royalHouse | Chakri dynasty NERFINISHED ⓘ |
| royalTitle | Rama VIII NERFINISHED ⓘ |
| sibling | King Bhumibol Adulyadej NERFINISHED ⓘ |
| style | His Majesty the King NERFINISHED ⓘ |
| successor | King Bhumibol Adulyadej 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: King Ananda Mahidol Description of subject: King Ananda Mahidol (Rama VIII) was the eighth monarch of Thailand’s Chakri dynasty, known for his brief and mysterious reign from 1935 until his unexplained death in 1946.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.