Edmund of Langley, 1st Duke of York
E70546
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Edmund of Langley, 1st Duke of York canonical | 32 |
| Edmund of Langley | 2 |
| Edmund of Langley, Duke of York | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T520527 — 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 Langley, 1st Duke of York Context triple: [Edward III of England, child, Edmund of Langley, 1st Duke of York]
-
A.
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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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.
Duke of Buckingham
The Duke of Buckingham is a powerful and romantic English nobleman whose secret love affair with Queen Anne drives much of the political intrigue in Alexandre Dumas’s novel *The Three Musketeers*.
-
D.
Duke of Lancaster
The Duke of Lancaster is a royal title traditionally held by the reigning British monarch in connection with the historic Duchy of Lancaster, a significant landed estate and source of private income for the sovereign.
-
E.
Duke of Norfolk
The Duke of Norfolk is the premier duke in the peerage of England, traditionally serving as Earl Marshal and holding chief responsibility for state ceremonial occasions.
- 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 Langley, 1st Duke of York Target entity description: 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.
-
A.
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.
-
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.
Duke of Buckingham
The Duke of Buckingham is a powerful and romantic English nobleman whose secret love affair with Queen Anne drives much of the political intrigue in Alexandre Dumas’s novel *The Three Musketeers*.
-
D.
Duke of Lancaster
The Duke of Lancaster is a royal title traditionally held by the reigning British monarch in connection with the historic Duchy of Lancaster, a significant landed estate and source of private income for the sovereign.
-
E.
Duke of Norfolk
The Duke of Norfolk is the premier duke in the peerage of England, traditionally serving as Earl Marshal and holding chief responsibility for state ceremonial occasions.
- F. None of above. chosen
Statements (47)
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 Langley, 1st Duke of York Description of subject: 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.
Referenced by (35)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Philippa of Hainault
subject surface form:
Philippa of Hainault
William Shakespeare's play "Richard II"
→
historicalFigurePortrayed
→
Edmund of Langley, 1st Duke of York
ⓘ
subject surface form:
Richard II
this entity surface form:
Edmund of Langley, Duke of York
subject surface form:
Earl of Cambridge (1362 creation)
subject surface form:
Earl of Cambridge (1362 creation)
subject surface form:
Earl of Cambridge (1362 creation)
subject surface form:
Mary of Waltham
this entity surface form:
Edmund of Langley
this entity surface form:
Edmund of Langley