Alexandra Mary Hilda Cadogan
E207050
Alexandra Mary Hilda Cadogan was a British aristocrat and socialite who became Duchess of Marlborough through her marriage to John George Vanderbilt Henry Spencer-Churchill.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Alexandra Mary Hilda Cadogan canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T1616576 — 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: Alexandra Mary Hilda Cadogan Context triple: [John George Vanderbilt Henry Spencer-Churchill, 11th Duke of Marlborough, mother, Alexandra Mary Hilda Cadogan]
-
A.
Cynthia Curzon
Cynthia Curzon was a British aristocrat and political figure, the daughter of statesman Lord Curzon, who became closely associated with interwar right-wing politics through her marriage to Oswald Mosley.
-
B.
Arabella Churchill
Arabella Churchill was an English noblewoman best known as a longtime mistress of King James II of England and the mother of several of his illegitimate children.
-
C.
Diana Churchill
Diana Churchill was the eldest daughter of British Prime Minister Winston Churchill and Clementine Churchill, known for her work as an actress and her involvement in public life during the mid-20th century.
-
D.
Dorothy Spencer
Dorothy Spencer was an American film editor known for her work on numerous Hollywood productions from the 1930s through the 1960s.
-
E.
Kathleen Cavendish, Marchioness of Hartington
Kathleen Cavendish, Marchioness of Hartington was an American socialite and member of the Kennedy family who married into the British aristocracy and died tragically in a 1948 plane crash.
- 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: Alexandra Mary Hilda Cadogan Target entity description: Alexandra Mary Hilda Cadogan was a British aristocrat and socialite who became Duchess of Marlborough through her marriage to John George Vanderbilt Henry Spencer-Churchill.
-
A.
Cynthia Curzon
Cynthia Curzon was a British aristocrat and political figure, the daughter of statesman Lord Curzon, who became closely associated with interwar right-wing politics through her marriage to Oswald Mosley.
-
B.
Arabella Churchill
Arabella Churchill was an English noblewoman best known as a longtime mistress of King James II of England and the mother of several of his illegitimate children.
-
C.
Diana Churchill
Diana Churchill was the eldest daughter of British Prime Minister Winston Churchill and Clementine Churchill, known for her work as an actress and her involvement in public life during the mid-20th century.
-
D.
Dorothy Spencer
Dorothy Spencer was an American film editor known for her work on numerous Hollywood productions from the 1930s through the 1960s.
-
E.
Kathleen Cavendish, Marchioness of Hartington
Kathleen Cavendish, Marchioness of Hartington was an American socialite and member of the Kennedy family who married into the British aristocracy and died tragically in a 1948 plane crash.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
British aristocrat
ⓘ
noble title ⓘ socialite ⓘ |
| country | United Kingdom ⓘ |
| countryOfCitizenship | United Kingdom ⓘ |
| familyName | Cadogan ⓘ |
| givenName |
Alexandra
ⓘ
Hilda ⓘ Mary ⓘ |
| marriedIntoFamily | Spencer-Churchill family ⓘ |
| nobleFamily | Cadogan family ⓘ |
| nobleTitle | Duchess ⓘ |
| notableFor |
being Duchess of Marlborough
ⓘ
being a British socialite ⓘ |
| positionHeld | Duchess of Marlborough ⓘ |
| sexOrGender | female ⓘ |
| spouse |
Alexandra Mary Hilda Cadogan
self-linksurface differs
ⓘ
Lord John George William Vanderbilt Spencer-Churchill ⓘ
surface form:
John George Vanderbilt Henry Spencer-Churchill
|
| title |
Duchess of Marlborough
ⓘ
11th Duke of Marlborough ⓘ
surface form:
Duke of Marlborough
|
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: Alexandra Mary Hilda Cadogan Description of subject: Alexandra Mary Hilda Cadogan was a British aristocrat and socialite who became Duchess of Marlborough through her marriage to John George Vanderbilt Henry Spencer-Churchill.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
John George Vanderbilt Henry Spencer-Churchill, 11th Duke of Marlborough
→
mother
→
Alexandra Mary Hilda Cadogan
ⓘ
subject surface form:
John George Vanderbilt Henry Spencer-Churchill