Edmund of Lancaster
E245405
Edmund of Lancaster was a 13th-century English prince, son of King Henry III, who became a powerful nobleman and military leader as Earl of Lancaster and Leicester.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Edmund of Lancaster canonical | 2 |
| Henry of Lancaster | 1 |
| John of Lancaster | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2219515 — 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: Edmund of Lancaster Context triple: [Edmund Crouchback, 1st Earl of Lancaster, fullName, Edmund of Lancaster]
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A.
Edmund of Abingdon
Edmund of Abingdon was a 13th-century English scholar, theologian, and Archbishop of Canterbury who was later canonized as a saint in the Catholic Church.
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B.
Richard of Shrewsbury, Duke of York
Richard of Shrewsbury, Duke of York was the younger son of King Edward IV of England and one of the two "Princes in the Tower" whose mysterious disappearance has long intrigued historians.
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C.
Lionel of Antwerp, 1st Duke of Clarence
Lionel of Antwerp, 1st Duke of Clarence, was a 14th-century English prince and nobleman whose lineage played a key role in the later Wars of the Roses through the Yorkist claim to the throne.
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D.
Edmund of Langley, 1st Duke of York
Edmund of Langley, 1st Duke of York, was a 14th-century English prince and nobleman who founded the House of York, a key dynasty in the Wars of the Roses.
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E.
Thomas, 2nd Earl of Lancaster
Thomas, 2nd Earl of Lancaster was a powerful English nobleman and cousin to King Edward II who led baronial opposition to the king and was eventually executed for his role in the rebellion.
- 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: Edmund of Lancaster Target entity description: Edmund of Lancaster was a 13th-century English prince, son of King Henry III, who became a powerful nobleman and military leader as Earl of Lancaster and Leicester.
-
A.
Edmund of Abingdon
Edmund of Abingdon was a 13th-century English scholar, theologian, and Archbishop of Canterbury who was later canonized as a saint in the Catholic Church.
-
B.
Richard of Shrewsbury, Duke of York
Richard of Shrewsbury, Duke of York was the younger son of King Edward IV of England and one of the two "Princes in the Tower" whose mysterious disappearance has long intrigued historians.
-
C.
Lionel of Antwerp, 1st Duke of Clarence
Lionel of Antwerp, 1st Duke of Clarence, was a 14th-century English prince and nobleman whose lineage played a key role in the later Wars of the Roses through the Yorkist claim to the throne.
-
D.
Edmund of Langley, 1st Duke of York
Edmund of Langley, 1st Duke of York, was a 14th-century English prince and nobleman who founded the House of York, a key dynasty in the Wars of the Roses.
-
E.
Thomas, 2nd Earl of Lancaster
Thomas, 2nd Earl of Lancaster was a powerful English nobleman and cousin to King Edward II who led baronial opposition to the king and was eventually executed for his role in the rebellion.
- 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: Edmund of Lancaster Description of subject: Edmund of Lancaster was a 13th-century English prince, son of King Henry III, who became a powerful nobleman and military leader as Earl of Lancaster and Leicester.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
John of Lancaster
this entity surface form:
Henry of Lancaster