Conan I of Rennes
E922744
Conan I of Rennes was a 10th-century Breton noble who became Duke of Brittany and played a key role in consolidating ducal authority in the region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Conan I of Rennes canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11362065 — 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 I of Rennes Context triple: [House of Rennes, hasMember, Conan I of Rennes]
-
A.
Arthur I of Brittany
Arthur I of Brittany was a medieval Breton duke and Plantagenet prince whose disputed claim to the English throne against his uncle King John led to his mysterious disappearance and presumed murder.
-
B.
William of Gellone
William of Gellone was an 8th–9th century Frankish nobleman, military leader, and later Benedictine monk venerated as a saint and celebrated as a hero in medieval epic poetry.
-
C.
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.
-
D.
King of Brittany
The King of Brittany was the medieval sovereign ruler of the historical region of Brittany in western France, preceding the later ducal authority.
-
E.
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.
- 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 I of Rennes Target entity description: Conan I of Rennes was a 10th-century Breton noble who became Duke of Brittany and played a key role in consolidating ducal authority in the region.
-
A.
Arthur I of Brittany
Arthur I of Brittany was a medieval Breton duke and Plantagenet prince whose disputed claim to the English throne against his uncle King John led to his mysterious disappearance and presumed murder.
-
B.
William of Gellone
William of Gellone was an 8th–9th century Frankish nobleman, military leader, and later Benedictine monk venerated as a saint and celebrated as a hero in medieval epic poetry.
-
C.
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.
-
D.
King of Brittany
The King of Brittany was the medieval sovereign ruler of the historical region of Brittany in western France, preceding the later ducal authority.
-
E.
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.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Breton person
ⓘ
Duke of Brittany ⓘ medieval ruler ⓘ noble ⓘ |
| alliance | marital alliance with the House of Anjou through Ermengarde of Anjou ⓘ |
| birthPlace | Rennes NERFINISHED ⓘ |
| centuryOfActivity | 10th century ⓘ |
| child |
Geoffrey I, Duke of Brittany
NERFINISHED
ⓘ
Hawise of Rennes NERFINISHED ⓘ Judicael of Nantes NERFINISHED ⓘ Judith of Brittany NERFINISHED ⓘ |
| conflict |
Battle of Conquereuil
NERFINISHED
ⓘ
Breton-Norman conflicts NERFINISHED ⓘ |
| countryOfCitizenship | Brittany NERFINISHED ⓘ |
| deathDate | 27 June 992 ⓘ |
| deathPlace | Conquereuil NERFINISHED ⓘ |
| endTime | 992 ⓘ |
| ethnicGroup | Bretons NERFINISHED ⓘ |
| father | Judicael Berengar NERFINISHED ⓘ |
| fatherInLaw | Geoffrey I of Anjou NERFINISHED ⓘ |
| givenName | Conan NERFINISHED ⓘ |
| historicalSignificance | key figure in restoration of ducal authority in Brittany after Viking incursions ⓘ |
| language |
Breton
ⓘ
Latin ⓘ |
| mannerOfDeath | killed in battle ⓘ |
| motherInLaw | Gerberga of Maine NERFINISHED ⓘ |
| nobleFamily | House of Rennes NERFINISHED ⓘ |
| notableEvent |
assertion of independence of Brittany from external powers
ⓘ
struggle for control of Nantes ⓘ |
| notableWork | consolidation of ducal authority in Brittany ⓘ |
| opponent | Fulk III, Count of Anjou NERFINISHED ⓘ |
| positionHeld |
Count of Nantes
NERFINISHED
ⓘ
Count of Rennes ⓘ Duke of Brittany NERFINISHED ⓘ |
| predecessor |
Alan II, Duke of Brittany
NERFINISHED
ⓘ
Hoël I, Count of Nantes NERFINISHED ⓘ |
| region | Brittany NERFINISHED ⓘ |
| religion |
Roman Catholicism
ⓘ
surface form:
Catholicism
|
| residence | Rennes NERFINISHED ⓘ |
| spouse | Ermengarde of Anjou NERFINISHED ⓘ |
| startTime |
c. 970
ⓘ
c. 990 ⓘ |
| successor | Geoffrey I, Duke of Brittany NERFINISHED ⓘ |
| title |
Count of Nantes
NERFINISHED
ⓘ
Count of Rennes NERFINISHED ⓘ 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 I of Rennes Description of subject: Conan I of Rennes was a 10th-century Breton noble who became Duke of Brittany and played a key role in consolidating ducal authority in the region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.