FitzRoy
E42246
British naval officer
British peer
English aristocratic family name
English nobleman
Prime Minister of Great Britain
hydrographer
illegitimate son of James II of England
meteorologist
patronymic surname
surname
FitzRoy is a prominent English aristocratic family name historically associated with illegitimate royal descent and borne by several notable dukes and politicians.
All labels observed (5)
| Label | Occurrences |
|---|---|
| FitzRoy canonical | 19 |
| FitzJames | 1 |
| FitzRoy means "son of the king" in Norman French | 1 |
| FitzRoy means 'son of the king' in Norman French | 1 |
| Robert FitzRoy | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T326340 — 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: FitzRoy Context triple: [Augustus FitzRoy, 3rd Duke of Grafton, familyName, FitzRoy]
-
A.
Nelson
Nelson is a common English-language surname borne by numerous notable figures across politics, sports, entertainment, and academia.
-
B.
Nelson
Nelson is a former mill town in Lancashire, England, known for its industrial heritage and location near the Pennine hills.
-
C.
Maxwell
Maxwell is the given first name of Lord Beaverbrook, a prominent 20th-century British-Canadian newspaper magnate and politician.
-
D.
McClintock
McClintock is a surname most notably associated with Barbara McClintock, the pioneering American cytogeneticist and Nobel Prize laureate recognized for her discovery of genetic transposition.
-
E.
Bertram
Bertram is a masculine given name of Germanic origin, historically associated with nobility and later borne by various notable figures in arts, architecture, and literature.
- 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: FitzRoy Target entity description: FitzRoy is a prominent English aristocratic family name historically associated with illegitimate royal descent and borne by several notable dukes and politicians.
-
A.
Nelson
Nelson is a common English-language surname borne by numerous notable figures across politics, sports, entertainment, and academia.
-
B.
Nelson
Nelson is a former mill town in Lancashire, England, known for its industrial heritage and location near the Pennine hills.
-
C.
Maxwell
Maxwell is the given first name of Lord Beaverbrook, a prominent 20th-century British-Canadian newspaper magnate and politician.
-
D.
McClintock
McClintock is a surname most notably associated with Barbara McClintock, the pioneering American cytogeneticist and Nobel Prize laureate recognized for her discovery of genetic transposition.
-
E.
Bertram
Bertram is a masculine given name of Germanic origin, historically associated with nobility and later borne by various notable figures in arts, architecture, and literature.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
British naval officer
ⓘ
British peer ⓘ English aristocratic family name ⓘ English nobleman ⓘ English nobleman ⓘ Prime Minister of Great Britain ⓘ hydrographer ⓘ illegitimate son of James II of England ⓘ meteorologist ⓘ patronymic surname ⓘ surname ⓘ |
| associatedDynasty |
House of Stuart
ⓘ
Tudor dynasty ⓘ
surface form:
House of Tudor
|
| associatedWith |
British monarchy
ⓘ
illegitimate royal descent ⓘ |
| category |
English-language surnames
ⓘ
patronymic surnames ⓘ surnames of English origin ⓘ |
| countryOfOrigin | England ⓘ |
| etymology | from Norman French elements "fils" (son) and "roy" (king) ⓘ |
| father | Henry VIII of England ⓘ |
| hasNobleBranch |
The Duke of Grafton
ⓘ
surface form:
Dukes of Grafton
George FitzRoy, 1st Duke of Northumberland ⓘ
surface form:
Dukes of Northumberland (Stuart illegitimate line)
Dukes of Richmond ⓘ |
| hasNotableBearer |
The Duke of Grafton
ⓘ
surface form:
Augustus FitzRoy, 3rd Duke of Grafton
Charles FitzRoy, 2nd Duke of Grafton ⓘ George FitzRoy, 1st Duke of Northumberland ⓘ Henry FitzRoy, 1st Duke of Richmond and Somerset ⓘ James FitzJames, 1st Duke of Berwick ⓘ Robert FitzRoy ⓘ |
| heldOffice | Prime Minister of Great Britain ⓘ |
| heldTitle |
Duke of Berwick
ⓘ
The Duke of Grafton ⓘ
surface form:
Duke of Grafton
The Duke of Grafton ⓘ
surface form:
Duke of Grafton
George FitzRoy, 1st Duke of Northumberland ⓘ
surface form:
Duke of Northumberland
|
| historicallyUsedFor | acknowledging illegitimate children of English kings ⓘ |
| illegitimateChildOf | Henry VIII of England ⓘ |
| knownFor | captain of HMS Beagle during Charles Darwin's voyage ⓘ |
| languageOfOrigin |
Anglo-Norman
ⓘ
surface form:
Norman French
|
| meaning | son of the king ⓘ |
| notableFor | connection to royal bastards in English history ⓘ |
| region | British Isles ⓘ |
| timePeriodOfProminence |
16th century
ⓘ
17th century ⓘ 18th century ⓘ |
| usedAs | middle name in aristocratic families ⓘ |
| usedBy | English aristocracy ⓘ |
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: FitzRoy Description of subject: FitzRoy is a prominent English aristocratic family name historically associated with illegitimate royal descent and borne by several notable dukes and politicians.
Referenced by (23)
Full triples — surface form annotated when it differs from this entity's canonical label.
The Duke of Grafton (de facto), The Marquess of Rockingham (de jure predecessor in office sequence)
→
familyName
→
FitzRoy
ⓘ
subject surface form:
Augustus FitzRoy, 3rd Duke of Grafton
this entity surface form:
Robert FitzRoy
this entity surface form:
FitzJames
subject surface form:
Henry FitzRoy
this entity surface form:
FitzRoy means 'son of the king' in Norman French
subject surface form:
Dukedom of Grafton
this entity surface form:
FitzRoy means "son of the king" in Norman French