12th Duke of Marlborough
E294942
British aristocrat
duke
landowner
member of the House of Spencer-Churchill
peer of the United Kingdom
The 12th Duke of Marlborough, Charles James Spencer-Churchill, is a British aristocrat and landowner who heads the Spencer-Churchill family and presides over the Blenheim Palace estate.
All labels observed (2)
| Label | Occurrences |
|---|---|
| 12th Duke of Marlborough canonical | 7 |
| Duke of Marlborough | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1868790 — 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: 12th Duke of Marlborough Context triple: [Charles James Spencer-Churchill, 12th Duke of Marlborough, nobleTitle, 12th Duke of Marlborough]
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A.
11th Duke of Marlborough
The 11th Duke of Marlborough, John George Vanderbilt Henry Spencer-Churchill, was a British aristocrat and landowner who presided over Blenheim Palace and was a relative of both Sir Winston Churchill and the American Vanderbilt family.
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B.
9th Duke of Marlborough
The 9th Duke of Marlborough, Charles Spencer-Churchill, was a British aristocrat and landowner best known for his stewardship of Blenheim Palace and his high-profile marriage to American heiress Consuelo Vanderbilt.
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C.
John Spencer-Churchill, 10th Duke of Marlborough
John Spencer-Churchill, 10th Duke of Marlborough, was a prominent British aristocrat and landowner of the late 19th and early 20th centuries, head of the Marlborough ducal line and custodian of Blenheim Palace.
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D.
George Spencer-Churchill, 5th Duke of Marlborough
George Spencer-Churchill, 5th Duke of Marlborough, was a British aristocrat and politician who served as Lord Chamberlain and was a prominent member of the influential Churchill-Marlborough lineage in the late 18th and early 19th centuries.
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E.
George Spencer-Churchill, 6th Duke of Marlborough
George Spencer-Churchill, 6th Duke of Marlborough, was a 19th-century British peer and politician who held the Marlborough dukedom before his more politically prominent son, the 7th Duke.
- 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: 12th Duke of Marlborough Target entity description: The 12th Duke of Marlborough, Charles James Spencer-Churchill, is a British aristocrat and landowner who heads the Spencer-Churchill family and presides over the Blenheim Palace estate.
-
A.
11th Duke of Marlborough
The 11th Duke of Marlborough, John George Vanderbilt Henry Spencer-Churchill, was a British aristocrat and landowner who presided over Blenheim Palace and was a relative of both Sir Winston Churchill and the American Vanderbilt family.
-
B.
9th Duke of Marlborough
The 9th Duke of Marlborough, Charles Spencer-Churchill, was a British aristocrat and landowner best known for his stewardship of Blenheim Palace and his high-profile marriage to American heiress Consuelo Vanderbilt.
-
C.
John Spencer-Churchill, 10th Duke of Marlborough
John Spencer-Churchill, 10th Duke of Marlborough, was a prominent British aristocrat and landowner of the late 19th and early 20th centuries, head of the Marlborough ducal line and custodian of Blenheim Palace.
-
D.
George Spencer-Churchill, 5th Duke of Marlborough
George Spencer-Churchill, 5th Duke of Marlborough, was a British aristocrat and politician who served as Lord Chamberlain and was a prominent member of the influential Churchill-Marlborough lineage in the late 18th and early 19th centuries.
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E.
George Spencer-Churchill, 6th Duke of Marlborough
George Spencer-Churchill, 6th Duke of Marlborough, was a 19th-century British peer and politician who held the Marlborough dukedom before his more politically prominent son, the 7th Duke.
- 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: 12th Duke of Marlborough Description of subject: The 12th Duke of Marlborough, Charles James Spencer-Churchill, is a British aristocrat and landowner who heads the Spencer-Churchill family and presides over the Blenheim Palace estate.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: 12th Duke of Marlborough
linked to: 12th Duke of Marlborough
subject linked to:
12th Duke of Marlborough