John of Eltham, Earl of Cornwall
E131358
John of Eltham, Earl of Cornwall, was a 14th-century English prince, the second son of King Edward II and Isabella of France, who played a notable military role in the early stages of the Hundred Years’ War before his early death.
All labels observed (2)
| Label | Occurrences |
|---|---|
| John of Eltham, Earl of Cornwall canonical | 8 |
| Lord John of Eltham | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1005296 — 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: John of Eltham, Earl of Cornwall Context triple: [Isabella of France, child, John of Eltham, Earl of Cornwall]
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A.
Richard, 1st Earl of Cornwall
Richard, 1st Earl of Cornwall was a 13th-century English prince, wealthy magnate, and elected King of the Romans who played a significant role in European politics during the reigns of his brother Henry III and beyond.
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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.
Thomas of Woodstock, 1st Duke of Gloucester
Thomas of Woodstock, 1st Duke of Gloucester, was a prominent 14th-century English prince and political figure who played a leading role in opposition to the government of his nephew, King Richard II.
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D.
Nicholas of Guildford
Nicholas of Guildford is a medieval English writer believed by some scholars to be the author of the Middle English debate poem *The Owl and the Nightingale*.
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E.
Prince Arthur of Connaught
Prince Arthur of Connaught was a British royal prince, grandson of Queen Victoria, who served as a soldier and later as Governor-General of the Union of South Africa.
- 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: John of Eltham, Earl of Cornwall Target entity description: John of Eltham, Earl of Cornwall, was a 14th-century English prince, the second son of King Edward II and Isabella of France, who played a notable military role in the early stages of the Hundred Years’ War before his early death.
-
A.
Richard, 1st Earl of Cornwall
Richard, 1st Earl of Cornwall was a 13th-century English prince, wealthy magnate, and elected King of the Romans who played a significant role in European politics during the reigns of his brother Henry III and beyond.
-
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.
Thomas of Woodstock, 1st Duke of Gloucester
Thomas of Woodstock, 1st Duke of Gloucester, was a prominent 14th-century English prince and political figure who played a leading role in opposition to the government of his nephew, King Richard II.
-
D.
Nicholas of Guildford
Nicholas of Guildford is a medieval English writer believed by some scholars to be the author of the Middle English debate poem *The Owl and the Nightingale*.
-
E.
Prince Arthur of Connaught
Prince Arthur of Connaught was a British royal prince, grandson of Queen Victoria, who served as a soldier and later as Governor-General of the Union of South Africa.
- F. None of above. chosen
Statements (45)
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: John of Eltham, Earl of Cornwall Description of subject: John of Eltham, Earl of Cornwall, was a 14th-century English prince, the second son of King Edward II and Isabella of France, who played a notable military role in the early stages of the Hundred Years’ War before his early death.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Edward I's son Edward of Caernarfon
linked to: John of Eltham, Earl of Cornwall
subject linked to:
John
linked to: John of Eltham, Earl of Cornwall