Duke of Brittany
E54464
The Duke of Brittany was the sovereign or semi-sovereign ruler of the historic region of Brittany in northwestern France, holding a ducal title central to the area's medieval political and cultural identity.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Duke of Brittany canonical | 42 |
| Dukes of Brittany | 2 |
| Alan II, Duke of Brittany | 1 |
| Conan II, Duke of Brittany | 1 |
| Conan III, Duke of Brittany | 1 |
| Duke of Brittany (disputed) | 1 |
| Duke of Brittany by the grace of God | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T431924 — 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: Duke of Brittany Context triple: [Duke of Normandy, distinctFrom, Duke of Brittany]
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A.
Duke of Aquitaine
The Duke of Aquitaine was a powerful medieval noble title associated with rulership over the rich and strategically important region of Aquitaine in southwestern France, often held by English kings during the High Middle Ages.
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B.
Duke of Normandy
The Duke of Normandy is the feudal title held by the British monarch in respect of the Channel Islands, reflecting their historic status separate from the United Kingdom.
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C.
Richard, 1st Earl of Cornwall
Richard, 1st Earl of Cornwall was a 13th-century English prince, wealthy magnate, and elected King of the Romans who played a significant role in European politics during the reigns of his brother Henry III and beyond.
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D.
Count of Anjou
The Count of Anjou was a powerful medieval French noble title associated with the influential Angevin dynasty, whose holders, including future kings of England, controlled key territories in western France.
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E.
Duke of Burgundy
The Duke of Burgundy was a powerful hereditary noble title in medieval and early modern Europe, historically associated with the wealthy and influential Burgundian state centered in what is now eastern France and parts of the Low Countries.
- 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: Duke of Brittany Target entity description: The Duke of Brittany was the sovereign or semi-sovereign ruler of the historic region of Brittany in northwestern France, holding a ducal title central to the area's medieval political and cultural identity.
-
A.
Duke of Aquitaine
The Duke of Aquitaine was a powerful medieval noble title associated with rulership over the rich and strategically important region of Aquitaine in southwestern France, often held by English kings during the High Middle Ages.
-
B.
Duke of Normandy
The Duke of Normandy is the feudal title held by the British monarch in respect of the Channel Islands, reflecting their historic status separate from the United Kingdom.
-
C.
Richard, 1st Earl of Cornwall
Richard, 1st Earl of Cornwall was a 13th-century English prince, wealthy magnate, and elected King of the Romans who played a significant role in European politics during the reigns of his brother Henry III and beyond.
-
D.
Count of Anjou
The Count of Anjou was a powerful medieval French noble title associated with the influential Angevin dynasty, whose holders, including future kings of England, controlled key territories in western France.
-
E.
Duke of Burgundy
The Duke of Burgundy was a powerful hereditary noble title in medieval and early modern Europe, historically associated with the wealthy and influential Burgundian state centered in what is now eastern France and parts of the Low Countries.
- F. None of above. chosen
Statements (64)
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: Duke of Brittany Description of subject: The Duke of Brittany was the sovereign or semi-sovereign ruler of the historic region of Brittany in northwestern France, holding a ducal title central to the area's medieval political and cultural identity.
Referenced by (49)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Alan II, Duke of Brittany
this entity surface form:
Conan II, Duke of Brittany
this entity surface form:
Conan III, Duke of Brittany
this entity surface form:
Duke of Brittany by the grace of God
this entity surface form:
Dukes of Brittany
this entity surface form:
Duke of Brittany (disputed)
this entity surface form:
Dukes of Brittany
subject surface form:
Mary of Waltham
subject surface form:
Mary of Waltham