Conan III, Duke of Brittany
E943160
Conan III, Duke of Brittany was a 12th-century Breton ruler from the House of Cornouaille who governed the Duchy of Brittany and played a key role in its medieval political affairs.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Conan III, Duke of Brittany canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11362112 — 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: Conan III, Duke of Brittany Context triple: [House of Cornouaille, notableMember, Conan III, Duke of Brittany]
-
A.
Conan II, Duke of Brittany
Conan II, Duke of Brittany was an 11th-century Breton ruler known for his efforts to assert the duchy's independence from Norman and French influence.
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B.
Conan IV, Duke of Brittany
Conan IV, Duke of Brittany was a 12th-century Breton nobleman who ruled the Duchy of Brittany and became a key figure in the complex dynastic struggles between the Angevin kings of England and the French crown.
-
C.
Hoël II, Duke of Brittany
Hoël II, Duke of Brittany was an 11th-century Breton nobleman who ruled as Duke of Brittany and Count of Nantes, playing a key role in consolidating ducal authority in the region.
-
D.
Geoffrey II, Duke of Brittany
Geoffrey II, Duke of Brittany was a 12th-century French nobleman, son of Henry II of England and brother of Richard the Lionheart, who ruled Brittany through his marriage to Constance and died young in a tournament accident.
-
E.
Alan IV, Duke of Brittany
Alan IV, Duke of Brittany was an 11th–12th century Breton ruler known for his participation in the First Crusade and his role in consolidating ducal authority in Brittany.
- 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: Conan III, Duke of Brittany Target entity description: Conan III, Duke of Brittany was a 12th-century Breton ruler from the House of Cornouaille who governed the Duchy of Brittany and played a key role in its medieval political affairs.
-
A.
Conan II, Duke of Brittany
Conan II, Duke of Brittany was an 11th-century Breton ruler known for his efforts to assert the duchy's independence from Norman and French influence.
-
B.
Conan IV, Duke of Brittany
Conan IV, Duke of Brittany was a 12th-century Breton nobleman who ruled the Duchy of Brittany and became a key figure in the complex dynastic struggles between the Angevin kings of England and the French crown.
-
C.
Hoël II, Duke of Brittany
Hoël II, Duke of Brittany was an 11th-century Breton nobleman who ruled as Duke of Brittany and Count of Nantes, playing a key role in consolidating ducal authority in the region.
-
D.
Geoffrey II, Duke of Brittany
Geoffrey II, Duke of Brittany was a 12th-century French nobleman, son of Henry II of England and brother of Richard the Lionheart, who ruled Brittany through his marriage to Constance and died young in a tournament accident.
-
E.
Alan IV, Duke of Brittany
Alan IV, Duke of Brittany was an 11th–12th century Breton ruler known for his participation in the First Crusade and his role in consolidating ducal authority in Brittany.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Breton ruler
ⓘ
duke ⓘ medieval ruler ⓘ member of nobility ⓘ nobleman ⓘ |
| alsoKnownAs |
Conan III of Brittany
NERFINISHED
ⓘ
Conan III, Duke of Brittany NERFINISHED ⓘ Conan the Fat NERFINISHED ⓘ |
| associatedWith |
Anglo-Norman realm
NERFINISHED
ⓘ
House of Anjou NERFINISHED ⓘ |
| birthDate | circa 1093 ⓘ |
| burialPlace | Brittany NERFINISHED ⓘ |
| child |
Bertha, Duchess of Brittany
NERFINISHED
ⓘ
Conan, Count of Richmond NERFINISHED ⓘ Hoel, Count of Nantes NERFINISHED ⓘ |
| countryRuled | Duchy of Brittany NERFINISHED ⓘ |
| deathDate | 17 September 1148 ⓘ |
| deathPlace | Brittany NERFINISHED ⓘ |
| disinherited | Hoel, Count of Nantes NERFINISHED ⓘ |
| dynasticHouse | House of Cornouaille NERFINISHED ⓘ |
| era | 12th century ⓘ |
| ethnicity | Breton ⓘ |
| father | Alan IV, Duke of Brittany NERFINISHED ⓘ |
| givenName | Conan NERFINISHED ⓘ |
| governedTerritory |
Brittany
NERFINISHED
ⓘ
Nantes NERFINISHED ⓘ |
| heldTitle | Count of Richmond NERFINISHED ⓘ |
| language |
Breton
ⓘ
Latin ⓘ |
| mother | Ermengarde of Anjou NERFINISHED ⓘ |
| nobleFamily | House of Cornouaille NERFINISHED ⓘ |
| notableFor |
governing the Duchy of Brittany in the early 12th century
ⓘ
involvement in Anglo-Norman and Breton politics ⓘ |
| parentOfHeir | Bertha, Duchess of Brittany NERFINISHED ⓘ |
| participatedIn | medieval Breton succession politics ⓘ |
| politicalAlliance | King Henry I of England NERFINISHED ⓘ |
| predecessor | Alan IV, Duke of Brittany NERFINISHED ⓘ |
| region | Brittany NERFINISHED ⓘ |
| reignEnd | 1148 ⓘ |
| reignStart | 1112 ⓘ |
| religion | Roman Catholicism ⓘ |
| spouse |
Maud FitzRoy
NERFINISHED
ⓘ
Maud, Countess of Gloucester NERFINISHED ⓘ |
| successor | Bertha, Duchess of Brittany NERFINISHED ⓘ |
| title | Duke of Brittany 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: Conan III, Duke of Brittany Description of subject: Conan III, Duke of Brittany was a 12th-century Breton ruler from the House of Cornouaille who governed the Duchy of Brittany and played a key role in its medieval political affairs.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.