Ferdinand I of León
E276227
Ferdinand I of León was an 11th-century monarch who united León and Castile, strengthening Christian power in the Iberian Peninsula during the Reconquista.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Ferdinand I of León canonical | 8 |
| Ferdinand I of León and Castile | 2 |
| Ferdinand I of León and Castile (in León) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1992468 — 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 I of León Context triple: [Kingdom of León, ruler, Ferdinand I of León]
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A.
Ordoño II of León
Ordoño II of León was a 10th-century king of León known for consolidating Christian power in northern Iberia and waging campaigns against Muslim territories during the Reconquista.
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B.
Ramiro II of León
Ramiro II of León was a 10th-century king noted for his military successes against the Muslim states of al-Andalus and for consolidating royal authority in the Christian north of the Iberian Peninsula.
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C.
Alfonso IX of León
Alfonso IX of León was a 12th–13th century king of León and Galicia known for his role in the Reconquista and for fostering learning and law, including founding the University of Salamanca.
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D.
Philip I of Castile
Philip I of Castile, also known as Philip the Handsome, was a Habsburg archduke of Burgundy who briefly became king of Castile through his marriage to Joanna of Castile, helping establish Habsburg rule in Spain.
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E.
Alfonso, King of Castile
"Alfonso, King of Castile" is a historical tragedy by Matthew Gregory Lewis that dramatizes the turbulent reign and personal conflicts of a medieval Castilian monarch.
- 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 I of León Target entity description: Ferdinand I of León was an 11th-century monarch who united León and Castile, strengthening Christian power in the Iberian Peninsula during the Reconquista.
-
A.
Ordoño II of León
Ordoño II of León was a 10th-century king of León known for consolidating Christian power in northern Iberia and waging campaigns against Muslim territories during the Reconquista.
-
B.
Ramiro II of León
Ramiro II of León was a 10th-century king noted for his military successes against the Muslim states of al-Andalus and for consolidating royal authority in the Christian north of the Iberian Peninsula.
-
C.
Alfonso IX of León
Alfonso IX of León was a 12th–13th century king of León and Galicia known for his role in the Reconquista and for fostering learning and law, including founding the University of Salamanca.
-
D.
Philip I of Castile
Philip I of Castile, also known as Philip the Handsome, was a Habsburg archduke of Burgundy who briefly became king of Castile through his marriage to Joanna of Castile, helping establish Habsburg rule in Spain.
-
E.
Alfonso, King of Castile
"Alfonso, King of Castile" is a historical tragedy by Matthew Gregory Lewis that dramatizes the turbulent reign and personal conflicts of a medieval Castilian monarch.
- F. None of above. chosen
Statements (48)
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 I of León Description of subject: Ferdinand I of León was an 11th-century monarch who united León and Castile, strengthening Christian power in the Iberian Peninsula during the Reconquista.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ferdinand I of León and Castile
this entity surface form:
Ferdinand I of León and Castile
this entity surface form:
Ferdinand I of León and Castile (in León)