John I of Penthièvre
E948634
John I of Penthièvre was a 14th-century French nobleman and claimant to the Duchy of Brittany, prominent within the Breton branch of the Capetian dynasty.
All labels observed (1)
| Label | Occurrences |
|---|---|
| John I of Penthièvre canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11362161 — 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: John I of Penthièvre Context triple: [House of Penthièvre, notableMember, John I of Penthièvre]
-
A.
John I, Duke of Brittany
John I, Duke of Brittany was a 13th-century Breton nobleman who ruled the Duchy of Brittany and played a significant role in the politics of medieval France.
-
B.
Geoffrey I, Duke of Brittany
Geoffrey I, Duke of Brittany was a late 10th- and early 11th-century Breton ruler known for consolidating ducal authority in Brittany and navigating complex alliances with the French crown and neighboring powers.
-
C.
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.
-
D.
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.
-
E.
Arthur II, Duke of Brittany
Arthur II, Duke of Brittany was a late 13th- and early 14th-century Breton ruler from the House of Dreux who governed the Duchy of Brittany under French suzerainty and navigated complex feudal and dynastic politics of medieval France.
- 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: John I of Penthièvre Target entity description: John I of Penthièvre was a 14th-century French nobleman and claimant to the Duchy of Brittany, prominent within the Breton branch of the Capetian dynasty.
-
A.
John I, Duke of Brittany
John I, Duke of Brittany was a 13th-century Breton nobleman who ruled the Duchy of Brittany and played a significant role in the politics of medieval France.
-
B.
Geoffrey I, Duke of Brittany
Geoffrey I, Duke of Brittany was a late 10th- and early 11th-century Breton ruler known for consolidating ducal authority in Brittany and navigating complex alliances with the French crown and neighboring powers.
-
C.
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.
-
D.
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.
-
E.
Arthur II, Duke of Brittany
Arthur II, Duke of Brittany was a late 13th- and early 14th-century Breton ruler from the House of Dreux who governed the Duchy of Brittany under French suzerainty and navigated complex feudal and dynastic politics of medieval France.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
Breton noble
ⓘ
Capetian dynasty member ⓘ French nobleman ⓘ human ⓘ medieval noble ⓘ pretender to a throne ⓘ |
| aristocraticTitle |
Count of Penthièvre
NERFINISHED
ⓘ
Lord of Avaugour NERFINISHED ⓘ |
| conflict | Breton War of Succession NERFINISHED ⓘ |
| continent | Europe ⓘ |
| countryOfCitizenship | Kingdom of France NERFINISHED ⓘ |
| culture |
Breton
ⓘ
French medieval aristocracy ⓘ |
| ethnicGroup | Breton people NERFINISHED ⓘ |
| givenName | John NERFINISHED ⓘ |
| historicalPeriod | 14th century ⓘ |
| historicalRegion |
Brittany
NERFINISHED
ⓘ
France NERFINISHED ⓘ |
| languageOfWorkOrName | French ⓘ |
| memberOf | Breton branch of the Capetian dynasty ⓘ |
| movement | Capetian expansion in Brittany ⓘ |
| nativeLanguage |
Breton
ⓘ
Old French ⓘ |
| nobleFamily |
Capetian House of Dreux
NERFINISHED
ⓘ
House of Penthièvre NERFINISHED ⓘ |
| nobleTitle |
Count
ⓘ
Lord ⓘ |
| notableFor |
claim to the Duchy of Brittany
ⓘ
role in Breton succession disputes ⓘ |
| occupation | noble ⓘ |
| partOf | Breton War of Succession NERFINISHED ⓘ |
| politicalAlignment | Capetian monarchy of France NERFINISHED ⓘ |
| positionHeld |
Count of Penthièvre
NERFINISHED
ⓘ
Lord of Avaugour NERFINISHED ⓘ claimant to the Duchy of Brittany ⓘ |
| realm | Duchy of Brittany NERFINISHED ⓘ |
| residence |
Brittany
NERFINISHED
ⓘ
Penthièvre NERFINISHED ⓘ |
| sexOrGender | male ⓘ |
| socialClass | high nobility ⓘ |
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: John I of Penthièvre Description of subject: John I of Penthièvre was a 14th-century French nobleman and claimant to the Duchy of Brittany, prominent within the Breton branch of the Capetian dynasty.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.