John Courtenay, 15th Earl of Devon
E538955
John Courtenay, 15th Earl of Devon, was a prominent Lancastrian nobleman during the Wars of the Roses who was killed fighting against the Yorkists in 1471.
All labels observed (3)
| Label | Occurrences |
|---|---|
| 15th Earl of Devon | 1 |
| John Courtenay, 15th Earl of Devon canonical | 1 |
| John Courtenay, Earl of Devon | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5526497 — 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 Courtenay, 15th Earl of Devon Context triple: [Battle of Tewkesbury, notableDeath, John Courtenay, 15th Earl of Devon]
-
A.
Lionel Sackville, 1st Duke of Dorset
Lionel Sackville, 1st Duke of Dorset, was an 18th-century British nobleman and politician who served as Lord Lieutenant of Ireland and held several high offices under Kings George I and George II.
-
B.
Charles FitzCharles, 1st Earl of Plymouth
Charles FitzCharles, 1st Earl of Plymouth, was an English nobleman of the Restoration era, best known as a military officer and favored courtier in the reign of his father, King Charles II.
-
C.
Earl of Devonshire
The Earl of Devonshire is a historic English peerage title long associated with the influential Cavendish family, prominent in British aristocratic and political life.
-
D.
John Holles, 1st Earl of Clare
John Holles, 1st Earl of Clare, was an English nobleman and politician of the early 17th century who rose to prominence under the Stuart monarchy.
-
E.
John Fane, 11th Earl of Westmorland
John Fane, 11th Earl of Westmorland, was a British nobleman, soldier, and politician best known for his leading role in establishing the Royal Academy of Music in London in the early 19th century.
- 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 Courtenay, 15th Earl of Devon Target entity description: John Courtenay, 15th Earl of Devon, was a prominent Lancastrian nobleman during the Wars of the Roses who was killed fighting against the Yorkists in 1471.
-
A.
Lionel Sackville, 1st Duke of Dorset
Lionel Sackville, 1st Duke of Dorset, was an 18th-century British nobleman and politician who served as Lord Lieutenant of Ireland and held several high offices under Kings George I and George II.
-
B.
Charles FitzCharles, 1st Earl of Plymouth
Charles FitzCharles, 1st Earl of Plymouth, was an English nobleman of the Restoration era, best known as a military officer and favored courtier in the reign of his father, King Charles II.
-
C.
Earl of Devonshire
The Earl of Devonshire is a historic English peerage title long associated with the influential Cavendish family, prominent in British aristocratic and political life.
-
D.
John Holles, 1st Earl of Clare
John Holles, 1st Earl of Clare, was an English nobleman and politician of the early 17th century who rose to prominence under the Stuart monarchy.
-
E.
John Fane, 11th Earl of Westmorland
John Fane, 11th Earl of Westmorland, was a British nobleman, soldier, and politician best known for his leading role in establishing the Royal Academy of Music in London in the early 19th century.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
Earl
ⓘ
English nobleman ⓘ Lancastrian supporter ⓘ participant in the Wars of the Roses ⓘ |
| allegiance | House of Lancaster ⓘ |
| causeOfDeath | killed in battle ⓘ |
| conflict | Wars of the Roses ⓘ |
| country | Kingdom of England ⓘ |
| diedIn | 1471 ⓘ |
| familyName | Courtenay ⓘ |
| givenName | John ⓘ |
| historicalPeriod | 15th century ⓘ |
| nobleFamily | Courtenay family ⓘ |
| nobleTitle | Earl of Devon ⓘ |
| notableFor |
being killed fighting against the Yorkists in 1471
ⓘ
supporting the Lancastrian cause in the Wars of the Roses ⓘ |
| opponent |
Yorkists
ⓘ
linked to:
House of York
|
| ordinalNumber |
15th Earl of Devon
ⓘ
linked to:
John Courtenay, 15th Earl of Devon
|
| politicalAlignment |
Lancastrian
ⓘ
linked to:
House of Lancaster
|
| region | Devon ⓘ |
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 Courtenay, 15th Earl of Devon Description of subject: John Courtenay, 15th Earl of Devon, was a prominent Lancastrian nobleman during the Wars of the Roses who was killed fighting against the Yorkists in 1471.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: John Courtenay, 15th Earl of Devon
linked to: John Courtenay, 15th Earl of Devon