Edward, Earl of March
E720125
Edward, Earl of March—later King Edward IV of England—was a leading Yorkist claimant to the English throne during the Wars of the Roses.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Edward, Earl of March canonical | 5 |
| Edward, Earl of March was later King Edward IV of England | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8020196 — 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: Edward, Earl of March Context triple: [Act of Accord, legalBasisForClaimOf, Edward, Earl of March]
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A.
1st Earl of March
The 1st Earl of March was an English noble title held by Roger Mortimer, a powerful medieval magnate central to the deposition of King Edward II.
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B.
Edmund Tudor, 1st Earl of Richmond
Edmund Tudor, 1st Earl of Richmond, was a 15th-century English nobleman whose posthumous son became King Henry VII, founding the Tudor dynasty.
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C.
3rd Earl of March
The 3rd Earl of March was a Scottish noble title in the Douglas family, later associated with William Douglas, 4th Duke of Queensberry, during the 18th century.
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D.
Thomas of Lancaster, 1st Duke of Clarence
Thomas of Lancaster, 1st Duke of Clarence, was an English prince and military commander, the second son of King Henry IV, who played a prominent role in the early stages of the Hundred Years’ War under his brother Henry V.
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E.
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.
- 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: Edward, Earl of March Target entity description: Edward, Earl of March—later King Edward IV of England—was a leading Yorkist claimant to the English throne during the Wars of the Roses.
-
A.
1st Earl of March
The 1st Earl of March was an English noble title held by Roger Mortimer, a powerful medieval magnate central to the deposition of King Edward II.
-
B.
Edmund Tudor, 1st Earl of Richmond
Edmund Tudor, 1st Earl of Richmond, was a 15th-century English nobleman whose posthumous son became King Henry VII, founding the Tudor dynasty.
-
C.
3rd Earl of March
The 3rd Earl of March was a Scottish noble title in the Douglas family, later associated with William Douglas, 4th Duke of Queensberry, during the 18th century.
-
D.
Thomas of Lancaster, 1st Duke of Clarence
Thomas of Lancaster, 1st Duke of Clarence, was an English prince and military commander, the second son of King Henry IV, who played a prominent role in the early stages of the Hundred Years’ War under his brother Henry V.
-
E.
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.
- F. None of above. chosen
Statements (56)
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: Edward, Earl of March Description of subject: Edward, Earl of March—later King Edward IV of England—was a leading Yorkist claimant to the English throne during the Wars of the Roses.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Edward, Earl of March