James FitzGerald, 1st Duke of Leinster
E581631
James FitzGerald, 1st Duke of Leinster, was an influential 18th-century Irish nobleman and politician who became the premier duke in the Irish peerage and head of the powerful FitzGerald family.
All labels observed (2)
| Label | Occurrences |
|---|---|
| James FitzGerald, 1st Duke of Leinster canonical | 6 |
| 1st Duke of Leinster | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6283216 — 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: James FitzGerald, 1st Duke of Leinster Context triple: [Lord Edward FitzGerald, father, James FitzGerald, 1st Duke of Leinster]
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A.
Gerald FitzGerald, 5th Duke of Leinster
Gerald FitzGerald, 5th Duke of Leinster was an Irish peer and aristocrat of the prominent FitzGerald family, serving as head of one of Ireland’s most historically significant noble houses in the late 19th and early 20th centuries.
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B.
Gerald FitzGerald, 8th Duke of Leinster
Gerald FitzGerald, 8th Duke of Leinster, was an Irish peer and head of the historic FitzGerald family, traditionally regarded as the premier dukes and highest-ranking nobles in Ireland.
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C.
Gerald FitzGerald, 9th Duke of Leinster
Gerald FitzGerald, 9th Duke of Leinster, was an Irish peer and head of the historic FitzGerald family, traditionally regarded as the premier dukes and highest-ranking nobles in Ireland.
-
D.
Augustus Frederick FitzGerald, 3rd Duke of Leinster
Augustus Frederick FitzGerald, 3rd Duke of Leinster, was a prominent 19th-century Irish peer and landowner who headed one of Ireland’s most influential aristocratic families.
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E.
Maurice FitzGerald, 6th Duke of Leinster
Maurice FitzGerald, 6th Duke of Leinster, was an Irish peer and head of the prominent FitzGerald family, historically one of Ireland’s most influential aristocratic dynasties.
- 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: James FitzGerald, 1st Duke of Leinster Target entity description: James FitzGerald, 1st Duke of Leinster, was an influential 18th-century Irish nobleman and politician who became the premier duke in the Irish peerage and head of the powerful FitzGerald family.
-
A.
Gerald FitzGerald, 5th Duke of Leinster
Gerald FitzGerald, 5th Duke of Leinster was an Irish peer and aristocrat of the prominent FitzGerald family, serving as head of one of Ireland’s most historically significant noble houses in the late 19th and early 20th centuries.
-
B.
Gerald FitzGerald, 8th Duke of Leinster
Gerald FitzGerald, 8th Duke of Leinster, was an Irish peer and head of the historic FitzGerald family, traditionally regarded as the premier dukes and highest-ranking nobles in Ireland.
-
C.
Gerald FitzGerald, 9th Duke of Leinster
Gerald FitzGerald, 9th Duke of Leinster, was an Irish peer and head of the historic FitzGerald family, traditionally regarded as the premier dukes and highest-ranking nobles in Ireland.
-
D.
Augustus Frederick FitzGerald, 3rd Duke of Leinster
Augustus Frederick FitzGerald, 3rd Duke of Leinster, was a prominent 19th-century Irish peer and landowner who headed one of Ireland’s most influential aristocratic families.
-
E.
Maurice FitzGerald, 6th Duke of Leinster
Maurice FitzGerald, 6th Duke of Leinster, was an Irish peer and head of the prominent FitzGerald family, historically one of Ireland’s most influential aristocratic dynasties.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Irish nobleman
ⓘ
human ⓘ politician ⓘ |
| associatedWith | Whig politics in Ireland ⓘ |
| birthDate | 1722-05-29 ⓘ |
| birthPlace | Dublin NERFINISHED ⓘ |
| burialPlace | Christ Church Cathedral, Dublin NERFINISHED ⓘ |
| child |
Charles FitzGerald, 1st Baron Lecale
NERFINISHED
ⓘ
Lady Caroline FitzGerald NERFINISHED ⓘ Lady Emily FitzGerald NERFINISHED ⓘ Lady Louisa FitzGerald NERFINISHED ⓘ Lady Sophia FitzGerald NERFINISHED ⓘ Lord Edward FitzGerald NERFINISHED ⓘ Lord Henry FitzGerald NERFINISHED ⓘ William FitzGerald, 2nd Duke of Leinster NERFINISHED ⓘ |
| countryOfCitizenship | Kingdom of Ireland NERFINISHED ⓘ |
| dateOfMarriage | 1747-02-07 ⓘ |
| deathDate | 1773-11-19 ⓘ |
| deathPlace | Dublin NERFINISHED ⓘ |
| educatedAt | Eton College ⓘ |
| elevatedToDukedom | 1766 ⓘ |
| familyName | FitzGerald NERFINISHED ⓘ |
| father | Robert FitzGerald, 19th Earl of Kildare NERFINISHED ⓘ |
| givenName | James ⓘ |
| headOf | FitzGerald family NERFINISHED ⓘ |
| memberOf |
FitzGerald family
NERFINISHED
ⓘ
Irish House of Lords NERFINISHED ⓘ |
| mother | Lady Mary O’Brien NERFINISHED ⓘ |
| nobleTitle |
1st Duke of Leinster
NERFINISHED
ⓘ
Earl of Kildare NERFINISHED ⓘ Marquess of Kildare NERFINISHED ⓘ |
| notableFor |
being the premier duke in the Irish peerage
ⓘ
leadership of the FitzGerald family in the 18th century ⓘ |
| peerage | Peerage of Ireland NERFINISHED ⓘ |
| placeOfMarriage | London NERFINISHED ⓘ |
| positionHeld |
Lord Justice of Ireland
NERFINISHED
ⓘ
Master of the Rolls in Ireland NERFINISHED ⓘ Premier Duke in the Peerage of Ireland ⓘ Privy Councillor of Ireland ⓘ |
| precededBy | Robert FitzGerald, 19th Earl of Kildare NERFINISHED ⓘ |
| religion | Church of Ireland NERFINISHED ⓘ |
| residence |
Carton House
NERFINISHED
ⓘ
Leinster House NERFINISHED ⓘ |
| spouse | Lady Emily Lennox NERFINISHED ⓘ |
| succeededBy | William FitzGerald, 2nd Duke of Leinster 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: James FitzGerald, 1st Duke of Leinster Description of subject: James FitzGerald, 1st Duke of Leinster, was an influential 18th-century Irish nobleman and politician who became the premier duke in the Irish peerage and head of the powerful FitzGerald family.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
1st Duke of Leinster