John Holland, 1st Duke of Exeter
E1002136
John Holland, 1st Duke of Exeter, was an English nobleman, military commander, and half-brother of King Richard II who played a prominent role in late 14th-century royal politics.
All labels observed (2)
| Label | Occurrences |
|---|---|
| John Holland, 1st Duke of Exeter canonical | 2 |
| John Holland, 2nd Duke of Exeter | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12409497 — 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 Holland, 1st Duke of Exeter Context triple: [Elizabeth of Lancaster, spouse, John Holland, 1st Duke of Exeter]
-
A.
Henry Holland, 3rd Duke of Exeter
Henry Holland, 3rd Duke of Exeter, was a prominent Lancastrian noble and military commander during the Wars of the Roses in 15th-century England.
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B.
Henry Courtenay, 1st Marquess of Exeter
Henry Courtenay, 1st Marquess of Exeter, was an English nobleman and prominent Tudor courtier who was a cousin of King Henry VIII and was executed for alleged treason in 1539.
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C.
Thomas Cecil, 1st Earl of Exeter
Thomas Cecil, 1st Earl of Exeter, was an English nobleman, politician, and courtier of the late 16th and early 17th centuries, notable as the eldest son of Queen Elizabeth I’s chief minister William Cecil, Lord Burghley.
-
D.
Thomas Beaufort, Duke of Exeter
Thomas Beaufort, Duke of Exeter, was an early 15th-century English nobleman, military commander, and half-uncle of King Henry V who played a prominent role in the Hundred Years’ War and royal government.
-
E.
John Talbot, 1st Earl of Shrewsbury
John Talbot, 1st Earl of Shrewsbury, was a prominent English military commander of the Hundred Years' War, renowned for his aggressive tactics and campaigns in France.
- 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 Holland, 1st Duke of Exeter Target entity description: John Holland, 1st Duke of Exeter, was an English nobleman, military commander, and half-brother of King Richard II who played a prominent role in late 14th-century royal politics.
-
A.
Henry Holland, 3rd Duke of Exeter
Henry Holland, 3rd Duke of Exeter, was a prominent Lancastrian noble and military commander during the Wars of the Roses in 15th-century England.
-
B.
Henry Courtenay, 1st Marquess of Exeter
Henry Courtenay, 1st Marquess of Exeter, was an English nobleman and prominent Tudor courtier who was a cousin of King Henry VIII and was executed for alleged treason in 1539.
-
C.
Thomas Cecil, 1st Earl of Exeter
Thomas Cecil, 1st Earl of Exeter, was an English nobleman, politician, and courtier of the late 16th and early 17th centuries, notable as the eldest son of Queen Elizabeth I’s chief minister William Cecil, Lord Burghley.
-
D.
Thomas Beaufort, Duke of Exeter
Thomas Beaufort, Duke of Exeter, was an early 15th-century English nobleman, military commander, and half-uncle of King Henry V who played a prominent role in the Hundred Years’ War and royal government.
-
E.
John Talbot, 1st Earl of Shrewsbury
John Talbot, 1st Earl of Shrewsbury, was a prominent English military commander of the Hundred Years' War, renowned for his aggressive tactics and campaigns in France.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
14th-century English person
ⓘ
Duke ⓘ Earl ⓘ English nobleman ⓘ military commander ⓘ |
| appointedBy | Richard II of England NERFINISHED ⓘ |
| battle |
Battle of Nájera
NERFINISHED
ⓘ
Battle of Radcot Bridge NERFINISHED ⓘ |
| causeOfDeath | beheading ⓘ |
| centuryOfActivity |
14th century
ⓘ
15th century ⓘ |
| conflict | deposition of Richard II ⓘ |
| countryOfCitizenship | Kingdom of England ⓘ |
| dateOfBirth | c. 1352 ⓘ |
| dateOfDeath | 1400 ⓘ |
| familyName | Holland NERFINISHED ⓘ |
| father | Thomas Holland, 1st Earl of Kent NERFINISHED ⓘ |
| fatherInLaw | John of Gaunt, 1st Duke of Lancaster NERFINISHED ⓘ |
| givenName | John NERFINISHED ⓘ |
| halfBrother | Richard II of England NERFINISHED ⓘ |
| mannerOfDeath | execution ⓘ |
| memberOf |
English nobility
NERFINISHED
ⓘ
House of Holland NERFINISHED ⓘ |
| mother | Joan of Kent NERFINISHED ⓘ |
| motherInLaw | Blanche of Lancaster NERFINISHED ⓘ |
| nobleTitle |
Baron Holland
NERFINISHED
ⓘ
Duke of Exeter NERFINISHED ⓘ Earl of Huntingdon NERFINISHED ⓘ |
| notableWork | service to Richard II of England ⓘ |
| opponent | Henry IV of England NERFINISHED ⓘ |
| participatedIn |
Epiphany Rising
NERFINISHED
ⓘ
Lords Appellant conflicts NERFINISHED ⓘ |
| placeOfBirth | Kingdom of England NERFINISHED ⓘ |
| placeOfDeath | Pleshey, Essex NERFINISHED ⓘ |
| positionHeld |
Admiral of the Fleet in the Western Seas
ⓘ
Baron Holland NERFINISHED ⓘ Constable of the Tower of London ⓘ Duke of Exeter NERFINISHED ⓘ Earl Marshal of England NERFINISHED ⓘ Earl of Huntingdon NERFINISHED ⓘ Lord Great Chamberlain NERFINISHED ⓘ Warden of the Cinque Ports NERFINISHED ⓘ |
| reasonForExecution | treason against Henry IV of England ⓘ |
| religion | Roman Catholicism ⓘ |
| sibling | Thomas Holland, 2nd Earl of Kent NERFINISHED ⓘ |
| spouse | Elizabeth of Lancaster NERFINISHED ⓘ |
| titleCreated | 1397 ⓘ |
| titleRevoked | 1399 ⓘ |
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 Holland, 1st Duke of Exeter Description of subject: John Holland, 1st Duke of Exeter, was an English nobleman, military commander, and half-brother of King Richard II who played a prominent role in late 14th-century royal politics.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
John Holland, 2nd Duke of Exeter