Mary Sheffield
E654636
Mary Sheffield was an English noblewoman of the late 17th and early 18th centuries, notable as the daughter of John Sheffield, 1st Duke of Buckingham and Normanby, and the mother of Thomas Fairfax, 3rd Lord Fairfax of Cameron.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mary Sheffield canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6846653 — 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: Mary Sheffield Context triple: [Thomas Fairfax, 3rd Lord Fairfax of Cameron, mother, Mary Sheffield]
-
A.
Maria St. John Sheffield
Maria St. John Sheffield was the wife of American railroad executive and philanthropist Joseph E. Sheffield, associated with 19th-century New England society.
-
B.
Elisabeth Scott
Elisabeth Scott was a pioneering British architect best known for designing the modernist Royal Shakespeare Theatre in Stratford-upon-Avon.
-
C.
Mary Ryall
Mary Ryall is the daughter of mathematician and educationalist Mary Everest Boole.
-
D.
Elizabeth French
Elizabeth French was the wife of John Tillotson, the 17th-century Archbishop of Canterbury.
-
E.
Elizabeth Mansfield
Elizabeth Mansfield is the namesake of Mansfield College, Oxford, recognized for her significant contributions that led to the college bearing her name.
- 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: Mary Sheffield Target entity description: Mary Sheffield was an English noblewoman of the late 17th and early 18th centuries, notable as the daughter of John Sheffield, 1st Duke of Buckingham and Normanby, and the mother of Thomas Fairfax, 3rd Lord Fairfax of Cameron.
-
A.
Maria St. John Sheffield
Maria St. John Sheffield was the wife of American railroad executive and philanthropist Joseph E. Sheffield, associated with 19th-century New England society.
-
B.
Elisabeth Scott
Elisabeth Scott was a pioneering British architect best known for designing the modernist Royal Shakespeare Theatre in Stratford-upon-Avon.
-
C.
Mary Ryall
Mary Ryall is the daughter of mathematician and educationalist Mary Everest Boole.
-
D.
Elizabeth French
Elizabeth French was the wife of John Tillotson, the 17th-century Archbishop of Canterbury.
-
E.
Elizabeth Mansfield
Elizabeth Mansfield is the namesake of Mansfield College, Oxford, recognized for her significant contributions that led to the college bearing her name.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf | English noblewoman ⓘ |
| aristocraticTitleHeldByAssociation | Lady Fairfax NERFINISHED ⓘ |
| centuryOfActivity |
17th century
ⓘ
18th century ⓘ |
| centuryOfBirth | 17th century ⓘ |
| child | Thomas Fairfax, 3rd Lord Fairfax of Cameron NERFINISHED ⓘ |
| countryOfCitizenship | Kingdom of England ⓘ |
| dateOfBirth | circa 1690s ⓘ |
| dateOfDeath | 18th century ⓘ |
| era |
early 18th century
ⓘ
late 17th century ⓘ |
| ethnicGroup | English ⓘ |
| familyName | Sheffield NERFINISHED ⓘ |
| father | John Sheffield, 1st Duke of Buckingham and Normanby NERFINISHED ⓘ |
| givenName | Mary NERFINISHED ⓘ |
| languageSpoken | English ⓘ |
| marriedIntoFamily | Fairfax family NERFINISHED ⓘ |
| memberOfNobleFamily | Sheffield family NERFINISHED ⓘ |
| mother | Catherine Darnley NERFINISHED ⓘ |
| nobleTitle | Lady NERFINISHED ⓘ |
| notableFor |
being daughter of John Sheffield, 1st Duke of Buckingham and Normanby
ⓘ
being mother of Thomas Fairfax, 3rd Lord Fairfax of Cameron ⓘ |
| notableRelative |
Catherine Darnley
NERFINISHED
ⓘ
John Sheffield, 1st Duke of Buckingham and Normanby NERFINISHED ⓘ Thomas Fairfax, 3rd Lord Fairfax of Cameron NERFINISHED ⓘ |
| offspring | Thomas Fairfax, 3rd Lord Fairfax of Cameron NERFINISHED ⓘ |
| parent |
Catherine Darnley
NERFINISHED
ⓘ
John Sheffield, 1st Duke of Buckingham and Normanby NERFINISHED ⓘ |
| paternalFamilyTitle | Duke of Buckingham and Normanby NERFINISHED ⓘ |
| placeOfOrigin | England NERFINISHED ⓘ |
| religion | Church of England ⓘ |
| sexOrGender | female ⓘ |
| socialClass | nobility ⓘ |
| spouse | Charles Fairfax, 5th Lord Fairfax of Cameron 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: Mary Sheffield Description of subject: Mary Sheffield was an English noblewoman of the late 17th and early 18th centuries, notable as the daughter of John Sheffield, 1st Duke of Buckingham and Normanby, and the mother of Thomas Fairfax, 3rd Lord Fairfax of Cameron.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.