Ralph Percy, 12th Duke of Northumberland
E940159
Ralph Percy, 12th Duke of Northumberland, is a British aristocrat and landowner who heads the prominent Percy family and oversees extensive estates including Alnwick Castle.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ralph Percy, 12th Duke of Northumberland canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11670896 — 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: Ralph Percy, 12th Duke of Northumberland Context triple: [Duke of Northumberland, currentHolder, Ralph Percy, 12th Duke of Northumberland]
-
A.
Algernon Percy, 6th Duke of Northumberland
Algernon Percy, 6th Duke of Northumberland, was a 19th-century British peer and Conservative politician who held several prominent regional and national offices within the United Kingdom.
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B.
Hugh Percy, 2nd Duke of Northumberland
Hugh Percy, 2nd Duke of Northumberland, was an 18th-century British peer, soldier, and politician who notably served as a general in the American Revolutionary War and held significant influence in British aristocratic and political circles.
-
C.
George FitzRoy, 1st Duke of Northumberland
George FitzRoy, 1st Duke of Northumberland, was a prominent English nobleman and military officer of the late 17th and early 18th centuries, known as one of King Charles II’s acknowledged illegitimate sons who held high rank and influence at court.
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D.
Hugh Percy, 1st Duke of Northumberland
Hugh Percy, 1st Duke of Northumberland, was an 18th-century British nobleman, soldier, and politician who became a prominent peer and influential figure in Georgian England.
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E.
Duke of Northumberland
The Duke of Northumberland is a hereditary British noble title held by the head of the Percy family, historically one of England’s most powerful aristocratic dynasties and major landowners.
- 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: Ralph Percy, 12th Duke of Northumberland Target entity description: Ralph Percy, 12th Duke of Northumberland, is a British aristocrat and landowner who heads the prominent Percy family and oversees extensive estates including Alnwick Castle.
-
A.
Algernon Percy, 6th Duke of Northumberland
Algernon Percy, 6th Duke of Northumberland, was a 19th-century British peer and Conservative politician who held several prominent regional and national offices within the United Kingdom.
-
B.
Hugh Percy, 2nd Duke of Northumberland
Hugh Percy, 2nd Duke of Northumberland, was an 18th-century British peer, soldier, and politician who notably served as a general in the American Revolutionary War and held significant influence in British aristocratic and political circles.
-
C.
George FitzRoy, 1st Duke of Northumberland
George FitzRoy, 1st Duke of Northumberland, was a prominent English nobleman and military officer of the late 17th and early 18th centuries, known as one of King Charles II’s acknowledged illegitimate sons who held high rank and influence at court.
-
D.
Hugh Percy, 1st Duke of Northumberland
Hugh Percy, 1st Duke of Northumberland, was an 18th-century British nobleman, soldier, and politician who became a prominent peer and influential figure in Georgian England.
-
E.
Duke of Northumberland
The Duke of Northumberland is a hereditary British noble title held by the head of the Percy family, historically one of England’s most powerful aristocratic dynasties and major landowners.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
British aristocrat
ⓘ
human ⓘ landowner ⓘ peer of the United Kingdom ⓘ |
| associatedWithRegion |
London
NERFINISHED
ⓘ
Northumberland NERFINISHED ⓘ |
| birthDate | 1956-11-16 ⓘ |
| birthPlace |
London, England
ⓘ
surface form:
London
|
| child |
George Percy, Earl Percy
NERFINISHED
ⓘ
Lady Catherine Percy NERFINISHED ⓘ Lady Melissa Percy NERFINISHED ⓘ Lord Max Percy NERFINISHED ⓘ |
| countryOfCitizenship | United Kingdom ⓘ |
| educatedAt |
Eton College
ⓘ
Royal Agricultural College, Cirencester NERFINISHED ⓘ |
| familyName | Percy NERFINISHED ⓘ |
| father | Hugh Percy, 10th Duke of Northumberland NERFINISHED ⓘ |
| fullName | Ralph George Algernon Percy NERFINISHED ⓘ |
| givenName | Ralph NERFINISHED ⓘ |
| headOf | Percy family NERFINISHED ⓘ |
| languageSpoken | English ⓘ |
| manages | Northumberland Estates NERFINISHED ⓘ |
| marriageDate | 1979-07-21 ⓘ |
| memberOfNobleFamily | Percy family NERFINISHED ⓘ |
| mother | Lady Elizabeth Montagu Douglas Scott NERFINISHED ⓘ |
| nobleRank | Duke ⓘ |
| nobleTitle | Duke of Northumberland NERFINISHED ⓘ |
| notableFor |
management of extensive landed estates in Northumberland and elsewhere in the UK
ⓘ
ownership and stewardship of Alnwick Castle ⓘ |
| ordinalOfTitle | 12th Duke of Northumberland NERFINISHED ⓘ |
| owns |
Albury Park
NERFINISHED
ⓘ
Alnwick Castle NERFINISHED ⓘ Northumberland Estates NERFINISHED ⓘ Syon House NERFINISHED ⓘ |
| positionHeld | Hereditary Peer in the House of Lords (until 1999) ⓘ |
| religion | Church of England ⓘ |
| residence |
Albury Park
NERFINISHED
ⓘ
Alnwick Castle NERFINISHED ⓘ Syon House NERFINISHED ⓘ |
| sibling | Henry Percy, 11th Duke of Northumberland NERFINISHED ⓘ |
| spouse |
Jane Percy, Duchess of Northumberland
NERFINISHED
ⓘ
Jane Richard NERFINISHED ⓘ |
| style | His Grace ⓘ |
| titleHeld |
Baron Lovaine
NERFINISHED
ⓘ
Baron Percy NERFINISHED ⓘ Baronet of Alnwick NERFINISHED ⓘ Earl Percy 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: Ralph Percy, 12th Duke of Northumberland Description of subject: Ralph Percy, 12th Duke of Northumberland, is a British aristocrat and landowner who heads the prominent Percy family and oversees extensive estates including Alnwick Castle.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.