Henry, 3rd Earl of Lancaster
E249153
Henry, 3rd Earl of Lancaster was a prominent 14th-century English nobleman and royal cousin who played a key role in the politics of Edward II and Edward III’s reigns, notably in the opposition to Edward II and the early governance of Edward III.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Henry, 3rd Earl of Lancaster canonical | 9 |
| 3rd Earl of Lancaster | 1 |
| Henry of Lancaster | 1 |
| Henry of Lancaster, 3rd Earl of Lancaster | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2219535 — 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: Henry, 3rd Earl of Lancaster Context triple: [Edmund Crouchback, 1st Earl of Lancaster, child, Henry, 3rd Earl of Lancaster]
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A.
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.
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B.
Edmund Crouchback, 1st Earl of Lancaster
Edmund Crouchback, 1st Earl of Lancaster, was a 13th-century English prince and military leader who became a powerful noble through extensive landholdings and royal favor, founding the House of Lancaster.
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C.
Edmund of Lancaster
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.
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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.
Roger Mortimer, 1st Earl of March
Roger Mortimer, 1st Earl of March, was a powerful 14th-century English nobleman who led the rebellion against King Edward II and effectively ruled England during the early reign of Edward III before being overthrown and executed.
- 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: Henry, 3rd Earl of Lancaster Target entity description: Henry, 3rd Earl of Lancaster was a prominent 14th-century English nobleman and royal cousin who played a key role in the politics of Edward II and Edward III’s reigns, notably in the opposition to Edward II and the early governance of Edward III.
-
A.
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.
-
B.
Edmund Crouchback, 1st Earl of Lancaster
Edmund Crouchback, 1st Earl of Lancaster, was a 13th-century English prince and military leader who became a powerful noble through extensive landholdings and royal favor, founding the House of Lancaster.
-
C.
Edmund of Lancaster
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.
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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.
-
E.
Roger Mortimer, 1st Earl of March
Roger Mortimer, 1st Earl of March, was a powerful 14th-century English nobleman who led the rebellion against King Edward II and effectively ruled England during the early reign of Edward III before being overthrown and executed.
- F. None of above. chosen
Statements (49)
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: Henry, 3rd Earl of Lancaster Description of subject: Henry, 3rd Earl of Lancaster was a prominent 14th-century English nobleman and royal cousin who played a key role in the politics of Edward II and Edward III’s reigns, notably in the opposition to Edward II and the early governance of Edward III.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Henry of Lancaster
subject surface form:
Earl of Lancaster (1267 creation)
subject surface form:
Earl of Lancaster (1267 creation)
this entity surface form:
3rd Earl of Lancaster
this entity surface form:
Henry of Lancaster, 3rd Earl of Lancaster