Ferdinand de la Cerda
E781406
Ferdinand de la Cerda was a 13th-century Castilian infante and heir apparent to the throne of Castile, known for his dynastic significance in medieval Iberian politics.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Ferdinand de la Cerda canonical | 4 |
| Ferdinand de la Cerda (the younger) | 2 |
| Alfonso de la Cerda | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9161946 — 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: Ferdinand de la Cerda Context triple: [Blanche of France, Infanta of Castile, spouse, Ferdinand de la Cerda]
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A.
Fadrique Alfonso of Castile
Fadrique Alfonso of Castile was a 14th-century Castilian nobleman and military leader, Master of the Order of Santiago and illegitimate son of King Alfonso XI, whose execution was ordered by his half-brother King Peter I.
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B.
Luis de Haro
Luis de Haro was a 17th-century Spanish statesman and royal favorite who effectively led the government of King Philip IV after the fall of the Count-Duke of Olivares.
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C.
Pedro Fernández de Castro
Pedro Fernández de Castro was a 14th-century Galician nobleman and powerful Castilian court figure, best known as the father of Inês de Castro, whose tragic love affair with King Peter I of Portugal became legendary.
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D.
Alfonso XI of Castile
Alfonso XI of Castile was a 14th-century king of Castile and León known for strengthening royal authority, defeating the Marinid invasion at the Battle of Río Salado in 1340, and initiating the long siege of Algeciras during the Reconquista.
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E.
Diego Hurtado de Mendoza, 1st Duke of the Infantado
Diego Hurtado de Mendoza, 1st Duke of the Infantado, was a powerful 15th-century Castilian nobleman and statesman who became one of the most influential grandees of Spain through his military, political, and courtly roles.
- 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: Ferdinand de la Cerda Target entity description: Ferdinand de la Cerda was a 13th-century Castilian infante and heir apparent to the throne of Castile, known for his dynastic significance in medieval Iberian politics.
-
A.
Fadrique Alfonso of Castile
Fadrique Alfonso of Castile was a 14th-century Castilian nobleman and military leader, Master of the Order of Santiago and illegitimate son of King Alfonso XI, whose execution was ordered by his half-brother King Peter I.
-
B.
Luis de Haro
Luis de Haro was a 17th-century Spanish statesman and royal favorite who effectively led the government of King Philip IV after the fall of the Count-Duke of Olivares.
-
C.
Pedro Fernández de Castro
Pedro Fernández de Castro was a 14th-century Galician nobleman and powerful Castilian court figure, best known as the father of Inês de Castro, whose tragic love affair with King Peter I of Portugal became legendary.
-
D.
Alfonso XI of Castile
Alfonso XI of Castile was a 14th-century king of Castile and León known for strengthening royal authority, defeating the Marinid invasion at the Battle of Río Salado in 1340, and initiating the long siege of Algeciras during the Reconquista.
-
E.
Diego Hurtado de Mendoza, 1st Duke of the Infantado
Diego Hurtado de Mendoza, 1st Duke of the Infantado, was a powerful 15th-century Castilian nobleman and statesman who became one of the most influential grandees of Spain through his military, political, and courtly roles.
- F. None of above. chosen
Statements (44)
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: Ferdinand de la Cerda Description of subject: Ferdinand de la Cerda was a 13th-century Castilian infante and heir apparent to the throne of Castile, known for his dynastic significance in medieval Iberian politics.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ferdinand de la Cerda
linked to: Ferdinand de la Cerda
linked to: Ferdinand de la Cerda