Prince Baudouin of Belgium (1869–1891)
E845045
Prince Baudouin of Belgium (1869–1891) was a Belgian royal, nephew and intended heir of King Leopold II, whose early death at 21 profoundly affected the Belgian monarchy’s succession.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Prince Baudouin of Belgium (1869–1891) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10156804 — 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: Prince Baudouin of Belgium (1869–1891) Context triple: [royal crypt of the Belgian royal family, hasBurialOf, Prince Baudouin of Belgium (1869–1891)]
-
A.
Prince Alexandre of Belgium
Prince Alexandre of Belgium was a lesser-known member of the Belgian royal family, the son of King Leopold III, who lived largely out of the public eye and never held a prominent political role.
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B.
Prince Emmanuel of Belgium
Prince Emmanuel of Belgium is a Belgian royal prince, the second son of King Philippe and Queen Mathilde and a member of the country’s ruling House of Belgium.
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C.
Prince Leopold, Duke of Brabant (1859–1869)
Prince Leopold, Duke of Brabant (1859–1869), was the eldest son and heir apparent of King Leopold II of Belgium who died in childhood, leading to a succession crisis in the Belgian monarchy.
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D.
Prince Laurent of Belgium
Prince Laurent of Belgium is a Belgian royal, known as the younger brother of King Philippe and for his sometimes controversial public profile and advocacy on environmental and animal welfare issues.
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E.
Prince Charles of Belgium
Prince Charles of Belgium was a Belgian royal who served as Prince Regent of Belgium from 1944 to 1950 during the absence of his brother, King Leopold III.
- 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: Prince Baudouin of Belgium (1869–1891) Target entity description: Prince Baudouin of Belgium (1869–1891) was a Belgian royal, nephew and intended heir of King Leopold II, whose early death at 21 profoundly affected the Belgian monarchy’s succession.
-
A.
Prince Alexandre of Belgium
Prince Alexandre of Belgium was a lesser-known member of the Belgian royal family, the son of King Leopold III, who lived largely out of the public eye and never held a prominent political role.
-
B.
Prince Emmanuel of Belgium
Prince Emmanuel of Belgium is a Belgian royal prince, the second son of King Philippe and Queen Mathilde and a member of the country’s ruling House of Belgium.
-
C.
Prince Leopold, Duke of Brabant (1859–1869)
Prince Leopold, Duke of Brabant (1859–1869), was the eldest son and heir apparent of King Leopold II of Belgium who died in childhood, leading to a succession crisis in the Belgian monarchy.
-
D.
Prince Laurent of Belgium
Prince Laurent of Belgium is a Belgian royal, known as the younger brother of King Philippe and for his sometimes controversial public profile and advocacy on environmental and animal welfare issues.
-
E.
Prince Charles of Belgium
Prince Charles of Belgium was a Belgian royal who served as Prince Regent of Belgium from 1944 to 1950 during the absence of his brother, King Leopold III.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Belgian prince
ⓘ
heir apparent designate ⓘ member of the Belgian royal family ⓘ |
| ageAtDeath | 21 ⓘ |
| associatedWith |
Belgian monarchy
NERFINISHED
ⓘ
Brussels court NERFINISHED ⓘ |
| birthDate | 1869-06-03 ⓘ |
| birthPlace | Brussels, Belgium NERFINISHED ⓘ |
| burialPlace | Royal Crypt, Church of Our Lady of Laeken, Brussels NERFINISHED ⓘ |
| causeOfDeath | influenza ⓘ |
| commemoratedBy |
statues and memorials in Belgium
ⓘ
street and place names in Belgium ⓘ |
| countryOfCitizenship | Belgium ⓘ |
| deathDate | 1891-01-23 ⓘ |
| deathPlace | Brussels, Belgium NERFINISHED ⓘ |
| describedAs | popular and promising young prince ⓘ |
| education | received a military-oriented education ⓘ |
| father | Prince Philippe, Count of Flanders NERFINISHED ⓘ |
| fullName | Baudouin Léopold Philippe Marie Charles de Belgique NERFINISHED ⓘ |
| givenName | Baudouin NERFINISHED ⓘ |
| grandfather | Leopold I of Belgium NERFINISHED ⓘ |
| heirPresumptiveTo | throne of Belgium ⓘ |
| historicalSignificance | his death intensified concerns about the stability of the Belgian succession under Leopold II ⓘ |
| honor |
Knight of the Order of Leopold
ⓘ
Knight of the Order of the Black Eagle NERFINISHED ⓘ Knight of the Order of the Elephant ⓘ Knight of the Order of the Golden Fleece NERFINISHED ⓘ |
| impact | his death led to his brother Albert eventually becoming King Albert I of Belgium ⓘ |
| languageOfName |
Dutch
ⓘ
French ⓘ |
| mannerOfDeath | died after a short illness ⓘ |
| militaryRank | sub-lieutenant in the Belgian Army ⓘ |
| mother | Princess Marie of Hohenzollern-Sigmaringen NERFINISHED ⓘ |
| nativeName | Baudouin Léopold Philippe Marie Charles de Belgique NERFINISHED ⓘ |
| notableEvent | his early death altered the Belgian line of succession ⓘ |
| positionHeld |
Duke of Saxony
NERFINISHED
ⓘ
Prince of Belgium NERFINISHED ⓘ |
| relativePositionInSuccession | intended heir of King Leopold II of Belgium ⓘ |
| religion | Roman Catholicism ⓘ |
| royalHouse | House of Saxe-Coburg and Gotha NERFINISHED ⓘ |
| sibling |
Albert I of Belgium
NERFINISHED
ⓘ
Princess Henriette of Belgium NERFINISHED ⓘ Princess Joséphine Caroline of Belgium NERFINISHED ⓘ |
| title | Prince Baudouin of Belgium NERFINISHED ⓘ |
| uncle | Leopold II of Belgium 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: Prince Baudouin of Belgium (1869–1891) Description of subject: Prince Baudouin of Belgium (1869–1891) was a Belgian royal, nephew and intended heir of King Leopold II, whose early death at 21 profoundly affected the Belgian monarchy’s succession.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.