Henry of Brittany
E1043233
Henry of Brittany was a medieval Breton nobleman and son of John IV, Duke of Brittany, belonging to the ducal House of Montfort.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Henry of Brittany canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T11971237 — 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: Henry of Brittany Context triple: [John IV, Duke of Brittany, child, Henry of Brittany]
-
A.
Richard of Brittany
Richard of Brittany was a medieval Breton prince, the son of John IV, Duke of Brittany, and a member of the ducal House of Montfort.
-
B.
Theobald of Brittany
Theobald of Brittany was a medieval Breton nobleman, known primarily as a younger son of Duke John I of Brittany and a member of the ducal House of Dreux.
-
C.
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.
-
D.
Prince Arthur, Duke of Brittany
Prince Arthur, Duke of Brittany was the nephew of King John of England and a Plantagenet prince whose disputed claim to the English throne and mysterious early death made him a notable figure in medieval English history.
-
E.
Peter of Brittany
Peter of Brittany was a medieval French nobleman and member of the ducal family of Brittany, known primarily as a younger son of Duke John I.
- 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: Henry of Brittany Target entity description: Henry of Brittany was a medieval Breton nobleman and son of John IV, Duke of Brittany, belonging to the ducal House of Montfort.
-
A.
Richard of Brittany
Richard of Brittany was a medieval Breton prince, the son of John IV, Duke of Brittany, and a member of the ducal House of Montfort.
-
B.
Theobald of Brittany
Theobald of Brittany was a medieval Breton nobleman, known primarily as a younger son of Duke John I of Brittany and a member of the ducal House of Dreux.
-
C.
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.
-
D.
Prince Arthur, Duke of Brittany
Prince Arthur, Duke of Brittany was the nephew of King John of England and a Plantagenet prince whose disputed claim to the English throne and mysterious early death made him a notable figure in medieval English history.
-
E.
Peter of Brittany
Peter of Brittany was a medieval French nobleman and member of the ducal family of Brittany, known primarily as a younger son of Duke John I.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
Breton nobleman
ⓘ
medieval noble ⓘ member of nobility ⓘ nobleman ⓘ |
| continent | Europe ⓘ |
| countryOfCitizenship | Duchy of Brittany ⓘ |
| culture | Breton ⓘ |
| dynasty | House of Montfort ⓘ |
| ethnicGroup |
Breton
ⓘ
linked to:
Breton people
|
| father | John IV, Duke of Brittany ⓘ |
| floruit | Middle Ages ⓘ |
| givenName | Henry ⓘ |
| languageSpoken |
Breton
ⓘ
French ⓘ |
| memberOf | House of Montfort ⓘ |
| nobleFamily | House of Montfort ⓘ |
| nobleRank | nobleman ⓘ |
| parent | John IV, Duke of Brittany ⓘ |
| partOf | Breton nobility ⓘ |
| positionHeld | Breton nobleman ⓘ |
| realm | Duchy of Brittany ⓘ |
| residence | Brittany ⓘ |
| sexOrGender | male ⓘ |
| timePeriod | Middle Ages ⓘ |
| title | Breton nobleman ⓘ |
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: Henry of Brittany Description of subject: Henry of Brittany was a medieval Breton nobleman and son of John IV, Duke of Brittany, belonging to the ducal House of Montfort.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.