Robert Stewart, Viscount Castlereagh
E170623
Robert Stewart, Viscount Castlereagh was a prominent early 19th-century British statesman and foreign secretary who played a leading role in shaping post-Napoleonic Europe and the balance of power among the great powers.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Lord Castlereagh | 5 |
| Robert Stewart, Viscount Castlereagh canonical | 4 |
| Viscount Castlereagh | 2 |
| Castlereagh | 1 |
| Robert Stewart Viscount Castlereagh | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1485370 — 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: Robert Stewart, Viscount Castlereagh Context triple: [Congress of Vienna, keyFigure, Robert Stewart, Viscount Castlereagh]
-
A.
George Canning
George Canning was a British statesman and Tory politician who briefly served as Prime Minister in 1827 and was known for his influential roles in foreign policy and oratory in the early 19th century.
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B.
Frederick John Robinson, Viscount Goderich
Frederick John Robinson, Viscount Goderich, was a 19th-century British statesman who briefly served as Prime Minister of the United Kingdom and held several key financial and colonial offices.
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C.
Peniston Lamb, 1st Viscount Melbourne
Peniston Lamb, 1st Viscount Melbourne, was an 18th–19th century British Whig politician and aristocrat who served in Parliament and was notable as the patriarch of the Melbourne political dynasty.
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D.
Lord Palmerston
Lord Palmerston was a 19th-century British statesman who served twice as prime minister and was known for his assertive, interventionist foreign policy.
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E.
Viscount Pitt
Viscount Pitt is a British noble title historically associated with the prominent 18th-century statesman William Pitt the Elder.
- 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: Robert Stewart, Viscount Castlereagh Target entity description: Robert Stewart, Viscount Castlereagh was a prominent early 19th-century British statesman and foreign secretary who played a leading role in shaping post-Napoleonic Europe and the balance of power among the great powers.
-
A.
George Canning
George Canning was a British statesman and Tory politician who briefly served as Prime Minister in 1827 and was known for his influential roles in foreign policy and oratory in the early 19th century.
-
B.
Frederick John Robinson, Viscount Goderich
Frederick John Robinson, Viscount Goderich, was a 19th-century British statesman who briefly served as Prime Minister of the United Kingdom and held several key financial and colonial offices.
-
C.
Peniston Lamb, 1st Viscount Melbourne
Peniston Lamb, 1st Viscount Melbourne, was an 18th–19th century British Whig politician and aristocrat who served in Parliament and was notable as the patriarch of the Melbourne political dynasty.
-
D.
Lord Palmerston
Lord Palmerston was a 19th-century British statesman who served twice as prime minister and was known for his assertive, interventionist foreign policy.
-
E.
Viscount Pitt
Viscount Pitt is a British noble title historically associated with the prominent 18th-century statesman William Pitt the Elder.
- F. None of above. chosen
Statements (49)
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: Robert Stewart, Viscount Castlereagh Description of subject: Robert Stewart, Viscount Castlereagh was a prominent early 19th-century British statesman and foreign secretary who played a leading role in shaping post-Napoleonic Europe and the balance of power among the great powers.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Robert Stewart Viscount Castlereagh
this entity surface form:
Lord Castlereagh
this entity surface form:
Lord Castlereagh
this entity surface form:
Castlereagh
this entity surface form:
Lord Castlereagh
Robert Stewart, Viscount Castlereagh
→
title
→
Robert Stewart, Viscount Castlereagh
self-linksurface differs
ⓘ
this entity surface form:
Viscount Castlereagh
Treaty of Vienna (Final Act of the Congress of Vienna)
→
mainNegotiator
→
Robert Stewart, Viscount Castlereagh
ⓘ
subject surface form:
Treaty of Vienna (1815)
this entity surface form:
Lord Castlereagh
this entity surface form:
Viscount Castlereagh
this entity surface form:
Lord Castlereagh