1st Viscount Duncan
E791187
British naval officer
Member of Parliament of Great Britain
Viscount in the Peerage of Great Britain
1st Viscount Duncan was the British naval officer Adam Duncan, celebrated for his decisive victory over the Dutch fleet at the Battle of Camperdown in 1797.
All labels observed (2)
| Label | Occurrences |
|---|---|
| 1st Viscount Duncan canonical | 1 |
| Adam Duncan, 1st Viscount Duncan | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9272265 — 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: 1st Viscount Duncan Context triple: [Adam Duncan, nobleTitle, 1st Viscount Duncan]
-
A.
1st Viscount Thurso
1st Viscount Thurso is a hereditary title in the Peerage of the United Kingdom created for Scottish Liberal politician Archibald Sinclair, a prominent statesman and wartime Secretary of State for Air.
-
B.
1st Viscount Melville
1st Viscount Melville was Henry Dundas, a powerful late 18th- and early 19th-century Scottish lawyer and politician who dominated Scottish politics and served as a key minister in the British government under William Pitt the Younger.
-
C.
1st Viscount Ruffside
1st Viscount Ruffside was the British peerage title created for Douglas Clifton Brown, a Conservative politician who served as Speaker of the House of Commons during World War II.
-
D.
1st Viscount Greenwood
1st Viscount Greenwood was a British Liberal politician and lawyer best known for serving as Chief Secretary for Ireland during the Irish War of Independence.
-
E.
1st Viscount Waverley
1st Viscount Waverley was the British peerage title held by Sir John Anderson, a prominent civil servant and politician who served as Home Secretary and played a key role in British civil defense during World War II.
- 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: 1st Viscount Duncan Target entity description: 1st Viscount Duncan was the British naval officer Adam Duncan, celebrated for his decisive victory over the Dutch fleet at the Battle of Camperdown in 1797.
-
A.
1st Viscount Thurso
1st Viscount Thurso is a hereditary title in the Peerage of the United Kingdom created for Scottish Liberal politician Archibald Sinclair, a prominent statesman and wartime Secretary of State for Air.
-
B.
1st Viscount Melville
1st Viscount Melville was Henry Dundas, a powerful late 18th- and early 19th-century Scottish lawyer and politician who dominated Scottish politics and served as a key minister in the British government under William Pitt the Younger.
-
C.
1st Viscount Ruffside
1st Viscount Ruffside was the British peerage title created for Douglas Clifton Brown, a Conservative politician who served as Speaker of the House of Commons during World War II.
-
D.
1st Viscount Greenwood
1st Viscount Greenwood was a British Liberal politician and lawyer best known for serving as Chief Secretary for Ireland during the Irish War of Independence.
-
E.
1st Viscount Waverley
1st Viscount Waverley was the British peerage title held by Sir John Anderson, a prominent civil servant and politician who served as Home Secretary and played a key role in British civil defense during World War II.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
British naval officer
ⓘ
Member of Parliament of Great Britain ⓘ Viscount in the Peerage of Great Britain ⓘ |
| allegiance | Kingdom of Great Britain NERFINISHED ⓘ |
| associatedWith |
Dutch Republic
NERFINISHED
ⓘ
North Sea Fleet NERFINISHED ⓘ |
| battle |
American War of Independence
NERFINISHED
ⓘ
Battle of Camperdown NERFINISHED ⓘ French Revolutionary Wars NERFINISHED ⓘ Seven Years' War NERFINISHED ⓘ |
| birthDate | 1731-07-01 ⓘ |
| birthPlace |
Dundee
NERFINISHED
ⓘ
Kingdom of Great Britain NERFINISHED ⓘ |
| causeOfFame | Leadership at the Battle of Camperdown ⓘ |
| child | Robert Dundas Duncan, 2nd Viscount Duncan NERFINISHED ⓘ |
| commemoratedBy |
Monument in Dundee
ⓘ
Naval memorials in the United Kingdom ⓘ |
| countryOfCitizenship | Kingdom of Great Britain ⓘ |
| createdBaron | 1797 ⓘ |
| createdViscount | 1797 ⓘ |
| deathDate | 1804-08-04 ⓘ |
| deathPlace |
England
ⓘ
Gosport NERFINISHED ⓘ Hampshire NERFINISHED ⓘ |
| era |
18th century
ⓘ
Napoleonic era (early years) ⓘ |
| familyName | Duncan NERFINISHED ⓘ |
| father | Alexander Duncan of Lundie NERFINISHED ⓘ |
| fullName | Adam Duncan, 1st Viscount Duncan NERFINISHED ⓘ |
| givenName | Adam NERFINISHED ⓘ |
| honour | Knight of the Order of the Bath NERFINISHED ⓘ |
| language | English ⓘ |
| militaryBranch | Royal Navy ⓘ |
| militaryRank | Admiral ⓘ |
| mother | Helen Haldane NERFINISHED ⓘ |
| nationality | Scottish ⓘ |
| notableAchievement | Decisive victory over the Dutch fleet at the Battle of Camperdown ⓘ |
| notableWork | Battle of Camperdown NERFINISHED ⓘ |
| occupation | Naval officer ⓘ |
| parliamentaryConstituency | Southwark NERFINISHED ⓘ |
| peerage | Peerage of Great Britain NERFINISHED ⓘ |
| positionHeld |
Commander-in-Chief, North Sea
NERFINISHED
ⓘ
Member of Parliament for Southwark ⓘ |
| serviceEnd | 1804 ⓘ |
| serviceStart | 1746 ⓘ |
| spouse | Henrietta Dundas NERFINISHED ⓘ |
| title |
Baron Duncan
NERFINISHED
ⓘ
Viscount Duncan 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: 1st Viscount Duncan Description of subject: 1st Viscount Duncan was the British naval officer Adam Duncan, celebrated for his decisive victory over the Dutch fleet at the Battle of Camperdown in 1797.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Adam Duncan, 1st Viscount Duncan