William, Duke of Clarence
E440572
William, Duke of Clarence—later King William IV of the United Kingdom—was a British monarch of the early 19th century known for overseeing significant political reforms, including the passage of the Reform Act 1832.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Duke of Clarence | 1 |
| William, Duke of Clarence canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4433039 — 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: William, Duke of Clarence Context triple: [Adelaide of Saxe-Meiningen, spouse, William, Duke of Clarence]
-
A.
George Plantagenet, 1st Duke of Clarence
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Humphrey, Duke of Gloucester
Humphrey, Duke of Gloucester was a 15th-century English prince, statesman, and notable patron of humanist learning and literature.
- 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: William, Duke of Clarence Target entity description: William, Duke of Clarence—later King William IV of the United Kingdom—was a British monarch of the early 19th century known for overseeing significant political reforms, including the passage of the Reform Act 1832.
-
A.
George Plantagenet, 1st Duke of Clarence
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Humphrey, Duke of Gloucester
Humphrey, Duke of Gloucester was a 15th-century English prince, statesman, and notable patron of humanist learning and literature.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Duke of Clarence
ⓘ
King of the United Kingdom ⓘ human ⓘ monarch ⓘ |
| alsoKnownAs |
William IV
NERFINISHED
ⓘ
William IV of the United Kingdom NERFINISHED ⓘ |
| associatedWith | Great Reform crisis NERFINISHED ⓘ |
| birthName | William Henry NERFINISHED ⓘ |
| burialPlace | St George's Chapel, Windsor Castle NERFINISHED ⓘ |
| coronationDate | 1831-09-08 ⓘ |
| countryOfCitizenship |
Kingdom of Great Britain
ⓘ
United Kingdom of Great Britain and Ireland ⓘ |
| dateOfBirth | 1765-08-21 ⓘ |
| dateOfDeath | 1837-06-20 ⓘ |
| era | early 19th century ⓘ |
| father | George III of the United Kingdom NERFINISHED ⓘ |
| givenName | William ⓘ |
| house | House of Hanover NERFINISHED ⓘ |
| memberOf | House of Hanover NERFINISHED ⓘ |
| militaryBranch | Royal Navy ⓘ |
| militaryRank | Admiral ⓘ |
| monarchOf |
Kingdom of Hanover
NERFINISHED
ⓘ
United Kingdom of Great Britain and Ireland NERFINISHED ⓘ |
| mother | Charlotte of Mecklenburg-Strelitz NERFINISHED ⓘ |
| notableEvent | passage of the Reform Act 1832 ⓘ |
| notableReform |
Reform Act 1832
NERFINISHED
ⓘ
abolition of slavery in most of the British Empire ⓘ |
| notableWork | oversaw passage of the Reform Act 1832 ⓘ |
| occupation | naval officer ⓘ |
| placeOfBirth | Buckingham House, London NERFINISHED ⓘ |
| placeOfDeath | Windsor Castle, Berkshire NERFINISHED ⓘ |
| positionHeld |
Duke of Clarence and St Andrews
NERFINISHED
ⓘ
King of Hanover NERFINISHED ⓘ King of the United Kingdom of Great Britain and Ireland NERFINISHED ⓘ Lord High Admiral of the United Kingdom NERFINISHED ⓘ |
| predecessor | George IV of the United Kingdom NERFINISHED ⓘ |
| reignEnd | 1837-06-20 ⓘ |
| reignStart | 1830-06-26 ⓘ |
| religion | Church of England ⓘ |
| residence |
Clarence House
NERFINISHED
ⓘ
Windsor Castle NERFINISHED ⓘ |
| sibling |
Edward, Duke of Kent and Strathearn
NERFINISHED
ⓘ
George IV of the United Kingdom NERFINISHED ⓘ |
| spouse | Adelaide of Saxe-Meiningen NERFINISHED ⓘ |
| successor | Victoria, Queen of the United Kingdom NERFINISHED ⓘ |
| title |
Duke of Clarence and St Andrews
NERFINISHED
ⓘ
Earl of Munster NERFINISHED ⓘ Prince William Henry NERFINISHED ⓘ |
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: William, Duke of Clarence Description of subject: William, Duke of Clarence—later King William IV of the United Kingdom—was a British monarch of the early 19th century known for overseeing significant political reforms, including the passage of the Reform Act 1832.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Duke of Clarence