William John Cavendish-Scott-Bentinck, 5th Duke of Portland
E354748
William John Cavendish-Scott-Bentinck, 5th Duke of Portland, was a reclusive 19th-century British aristocrat famed for his eccentric lifestyle and the extensive network of underground tunnels he had constructed on his estate at Welbeck Abbey.
All labels observed (5)
How this entity was disambiguated
This entity first appeared as the object of triple T3296998 — 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 John Cavendish-Scott-Bentinck, 5th Duke of Portland Context triple: [Duke of Portland, heldBy, William John Cavendish-Scott-Bentinck, 5th Duke of Portland]
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A.
William Cavendish-Bentinck, 6th Duke of Portland
William Cavendish-Bentinck, 6th Duke of Portland, was a British aristocrat and landowner who served as a prominent peer in the late 19th and early 20th centuries and was the father of the society hostess and patron of the arts Lady Ottoline Morrell.
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B.
Victor Cavendish-Bentinck, 9th Duke of Portland
Victor Cavendish-Bentinck, 9th Duke of Portland, was a British diplomat and peer who served as the final holder of the Portland dukedom in the 20th century.
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C.
William Cavendish-Bentinck, 3rd Duke of Portland
William Cavendish-Bentinck, 3rd Duke of Portland, was a British statesman who served twice as Prime Minister of the United Kingdom in the late 18th and early 19th centuries.
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D.
William Bentinck, 1st Duke of Portland
William Bentinck, 1st Duke of Portland was an 18th-century British nobleman and politician who rose to prominence as a leading Whig peer and influential landowner.
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E.
George FitzRoy, 4th Duke of Grafton
George FitzRoy, 4th Duke of Grafton, was a British peer and politician of the late 18th and early 19th centuries who inherited the Grafton dukedom and sat in the House of Lords.
- 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 John Cavendish-Scott-Bentinck, 5th Duke of Portland Target entity description: William John Cavendish-Scott-Bentinck, 5th Duke of Portland, was a reclusive 19th-century British aristocrat famed for his eccentric lifestyle and the extensive network of underground tunnels he had constructed on his estate at Welbeck Abbey.
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A.
William Cavendish-Bentinck, 6th Duke of Portland
William Cavendish-Bentinck, 6th Duke of Portland, was a British aristocrat and landowner who served as a prominent peer in the late 19th and early 20th centuries and was the father of the society hostess and patron of the arts Lady Ottoline Morrell.
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B.
Victor Cavendish-Bentinck, 9th Duke of Portland
Victor Cavendish-Bentinck, 9th Duke of Portland, was a British diplomat and peer who served as the final holder of the Portland dukedom in the 20th century.
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C.
William Cavendish-Bentinck, 3rd Duke of Portland
William Cavendish-Bentinck, 3rd Duke of Portland, was a British statesman who served twice as Prime Minister of the United Kingdom in the late 18th and early 19th centuries.
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D.
William Bentinck, 1st Duke of Portland
William Bentinck, 1st Duke of Portland was an 18th-century British nobleman and politician who rose to prominence as a leading Whig peer and influential landowner.
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E.
George FitzRoy, 4th Duke of Grafton
George FitzRoy, 4th Duke of Grafton, was a British peer and politician of the late 18th and early 19th centuries who inherited the Grafton dukedom and sat in the House of Lords.
- F. None of above. chosen
Statements (48)
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 John Cavendish-Scott-Bentinck, 5th Duke of Portland Description of subject: William John Cavendish-Scott-Bentinck, 5th Duke of Portland, was a reclusive 19th-century British aristocrat famed for his eccentric lifestyle and the extensive network of underground tunnels he had constructed on his estate at Welbeck Abbey.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
William Cavendish-Bentinck, 6th Duke of Portland
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father
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William Cavendish-Scott-Bentinck, 5th Duke of Portland
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linked to: William John Cavendish-Scott-Bentinck, 5th Duke of Portland
William Cavendish-Bentinck, 6th Duke of Portland
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precededBy
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William Cavendish-Scott-Bentinck, 5th Duke of Portland
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linked to: William John Cavendish-Scott-Bentinck, 5th Duke of Portland
linked to: William John Cavendish-Scott-Bentinck, 5th Duke of Portland
linked to: William John Cavendish-Scott-Bentinck, 5th Duke of Portland
linked to: William John Cavendish-Scott-Bentinck, 5th Duke of Portland
Lady Mary Augusta Frederica Seymour
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spouse
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William John Cavendish-Bentinck-Scott, 5th Duke of Portland
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linked to: William John Cavendish-Scott-Bentinck, 5th Duke of Portland
Lady Mary Augusta Frederica Seymour
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motherOf
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William John Arthur Charles James Cavendish-Bentinck, 6th Duke of Portland
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linked to: William John Cavendish-Scott-Bentinck, 5th Duke of Portland