Elizabeth Cosby
E141626
Elizabeth Cosby was an 18th-century English noblewoman best known as the mother of Augustus FitzRoy, 3rd Duke of Grafton and British Prime Minister.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Elizabeth Cosby canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1128997 — 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: Elizabeth Cosby Context triple: [The Duke of Grafton, mother, Elizabeth Cosby]
-
A.
Rachel Marron
Rachel Marron is a famous pop singer and actress who becomes the client and love interest of a former Secret Service agent in the romantic thriller film "The Bodyguard."
-
B.
Katherine Rogers
Katherine Rogers was the mother of John Harvard, the English clergyman whose bequest helped found Harvard College in colonial Massachusetts.
-
C.
Katherine Puening
Katherine Puening, better known as Kitty Oppenheimer, was a German-born American biologist and former Communist Party member who became the wife and close confidante of physicist J. Robert Oppenheimer.
-
D.
Lisa Rogers
Lisa Rogers is a member of the Rogers family, known as the daughter of Canadian businessman and media magnate Ted Rogers.
-
E.
Cathy Ferguson
Cathy Ferguson is the wife of legendary Scottish football manager Sir Alex Ferguson and is known for her long-standing support throughout his career.
- 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: Elizabeth Cosby Target entity description: Elizabeth Cosby was an 18th-century English noblewoman best known as the mother of Augustus FitzRoy, 3rd Duke of Grafton and British Prime Minister.
-
A.
Rachel Marron
Rachel Marron is a famous pop singer and actress who becomes the client and love interest of a former Secret Service agent in the romantic thriller film "The Bodyguard."
-
B.
Katherine Rogers
Katherine Rogers was the mother of John Harvard, the English clergyman whose bequest helped found Harvard College in colonial Massachusetts.
-
C.
Katherine Puening
Katherine Puening, better known as Kitty Oppenheimer, was a German-born American biologist and former Communist Party member who became the wife and close confidante of physicist J. Robert Oppenheimer.
-
D.
Lisa Rogers
Lisa Rogers is a member of the Rogers family, known as the daughter of Canadian businessman and media magnate Ted Rogers.
-
E.
Cathy Ferguson
Cathy Ferguson is the wife of legendary Scottish football manager Sir Alex Ferguson and is known for her long-standing support throughout his career.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf |
18th-century English person
ⓘ
British Prime Minister ⓘ English noblewoman ⓘ |
| child |
The Duke of Grafton
ⓘ
surface form:
Augustus FitzRoy, 3rd Duke of Grafton
|
| countryOfCitizenship |
Kingdom of Great Britain
ⓘ
Kingdom of Great Britain ⓘ |
| languageOfWorkOrName | English ⓘ |
| mother | Elizabeth Cosby self-linksurface differs ⓘ |
| notableFor | being the mother of a British Prime Minister ⓘ |
| notableWork | mother of Augustus FitzRoy, 3rd Duke of Grafton ⓘ |
| positionHeld |
Prime Minister of Great Britain
ⓘ
noblewoman ⓘ |
| residence | England ⓘ |
| sexOrGender | female ⓘ |
| timePeriod | 18th century ⓘ |
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: Elizabeth Cosby Description of subject: Elizabeth Cosby was an 18th-century English noblewoman best known as the mother of Augustus FitzRoy, 3rd Duke of Grafton and British Prime Minister.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Augustus FitzRoy, 3rd Duke of Grafton