George Plantagenet, 1st Duke of Clarence
E148457
15th-century English person
Duke of Clarence
English nobleman
Plantagenet prince
person executed for treason
George Plantagenet, 1st Duke of Clarence, was a 15th-century English nobleman and Plantagenet prince who played a turbulent role in the Wars of the Roses before being executed for treason under his brother King Edward IV.
All labels observed (5)
| Label | Occurrences |
|---|---|
| George Plantagenet, 1st Duke of Clarence canonical | 15 |
| Duke of Clarence | 3 |
| George, Duke of Clarence | 3 |
| George Plantagenet (1477–1479) | 1 |
| George Plantagenet, Duke of Clarence | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1262030 — 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: George Plantagenet, 1st Duke of Clarence Context triple: [Richard III of England, sibling, George Plantagenet, 1st Duke of Clarence]
-
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.
Duke of Clarence and Avondale
The Duke of Clarence and Avondale was a British royal dukedom most notably held by Prince Albert Victor, the eldest son of the future King Edward VII and a one-time second in line to the throne.
-
C.
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.
-
D.
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.
-
E.
Edmund Tudor, Duke of Somerset
Edmund Tudor, Duke of Somerset, was a short-lived English prince of the early Tudor dynasty, known primarily as the younger son of King Henry VII of England and Elizabeth of York.
- 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: George Plantagenet, 1st Duke of Clarence Target entity description: George Plantagenet, 1st Duke of Clarence, was a 15th-century English nobleman and Plantagenet prince who played a turbulent role in the Wars of the Roses before being executed for treason under his brother King Edward IV.
-
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.
Duke of Clarence and Avondale
The Duke of Clarence and Avondale was a British royal dukedom most notably held by Prince Albert Victor, the eldest son of the future King Edward VII and a one-time second in line to the throne.
-
C.
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.
-
D.
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.
-
E.
Edmund Tudor, Duke of Somerset
Edmund Tudor, Duke of Somerset, was a short-lived English prince of the early Tudor dynasty, known primarily as the younger son of King Henry VII of England and Elizabeth of York.
- 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: George Plantagenet, 1st Duke of Clarence Description of subject: George Plantagenet, 1st Duke of Clarence, was a 15th-century English nobleman and Plantagenet prince who played a turbulent role in the Wars of the Roses before being executed for treason under his brother King Edward IV.
Referenced by (23)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
George, Duke of Clarence
this entity surface form:
George, Duke of Clarence
George Plantagenet, 1st Duke of Clarence
→
nobleTitle
→
George Plantagenet, 1st Duke of Clarence
self-linksurface differs
ⓘ
this entity surface form:
Duke of Clarence
subject surface form:
Richard III of England
George Plantagenet, 1st Duke of Bedford
→
posthumousSonOf
→
George Plantagenet, 1st Duke of Clarence
ⓘ
this entity surface form:
George Plantagenet (1477–1479)
this entity surface form:
George Plantagenet, Duke of Clarence
this entity surface form:
George, Duke of Clarence
this entity surface form:
Duke of Clarence
subject surface form:
Richard III
this entity surface form:
Duke of Clarence