Alfonso, Prince of Asturias
E187067
Alfonso, Prince of Asturias was the younger brother of Queen Isabella I of Castile and a Castilian heir whose early death helped precipitate the succession crisis that led to Isabella’s rise to the throne.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Alfonso, Prince of Asturias canonical | 4 |
| Alfonso of Castile, Prince of Asturias | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T838961 — 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: Alfonso, Prince of Asturias Context triple: [Isabella I of Castile, sibling, Alfonso, Prince of Asturias]
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A.
John, Prince of Asturias
John, Prince of Asturias was the only son and heir apparent of the Catholic Monarchs Ferdinand II of Aragon and Isabella I of Castile, whose early death in 1497 altered the line of succession in Spain.
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B.
Prince of Asturias
The Prince of Asturias is the traditional title given to the heir apparent to the Spanish throne, comparable to the British title Prince of Wales.
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C.
Balthasar Charles, Prince of Asturias
Balthasar Charles, Prince of Asturias was the short-lived heir apparent to the Spanish throne in the 17th century, whose early death profoundly affected the Habsburg succession.
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D.
Infante Carlos, Count of Molina
Infante Carlos, Count of Molina was a Spanish Bourbon prince who became the first Carlist pretender to the Spanish throne, leading the conservative Carlist movement in the 19th century.
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E.
Infante Gabriel of Spain
Infante Gabriel of Spain was an 18th-century Spanish Bourbon prince noted for his cultural refinement, patronage of the arts, and close association with his father, King Charles 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: Alfonso, Prince of Asturias Target entity description: Alfonso, Prince of Asturias was the younger brother of Queen Isabella I of Castile and a Castilian heir whose early death helped precipitate the succession crisis that led to Isabella’s rise to the throne.
-
A.
John, Prince of Asturias
John, Prince of Asturias was the only son and heir apparent of the Catholic Monarchs Ferdinand II of Aragon and Isabella I of Castile, whose early death in 1497 altered the line of succession in Spain.
-
B.
Prince of Asturias
The Prince of Asturias is the traditional title given to the heir apparent to the Spanish throne, comparable to the British title Prince of Wales.
-
C.
Balthasar Charles, Prince of Asturias
Balthasar Charles, Prince of Asturias was the short-lived heir apparent to the Spanish throne in the 17th century, whose early death profoundly affected the Habsburg succession.
-
D.
Infante Carlos, Count of Molina
Infante Carlos, Count of Molina was a Spanish Bourbon prince who became the first Carlist pretender to the Spanish throne, leading the conservative Carlist movement in the 19th century.
-
E.
Infante Gabriel of Spain
Infante Gabriel of Spain was an 18th-century Spanish Bourbon prince noted for his cultural refinement, patronage of the arts, and close association with his father, King Charles III.
- F. None of above. chosen
Statements (45)
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: Alfonso, Prince of Asturias Description of subject: Alfonso, Prince of Asturias was the younger brother of Queen Isabella I of Castile and a Castilian heir whose early death helped precipitate the succession crisis that led to Isabella’s rise to the throne.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
John II of Castile
this entity surface form:
Alfonso of Castile, Prince of Asturias