Richard of Brittany
E1040111
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Richard of Brittany canonical | 1 |
| Richard of Brittany, Count of Étampes | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11971236 — 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: Richard of Brittany Context triple: [John IV, Duke of Brittany, child, Richard of Brittany]
-
A.
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.
-
B.
Arthur III, Duke of Brittany
Arthur III, Duke of Brittany was a 15th-century Breton nobleman and military leader who served as Constable of France and played a key role in the later stages of the Hundred Years’ War.
-
C.
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.
-
D.
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.
-
E.
John V, Duke of Brittany
John V, Duke of Brittany was a 15th-century Breton ruler who consolidated ducal authority, navigated complex alliances during the Hundred Years’ War, and fostered relative stability and prosperity in his duchy.
- 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: Richard of Brittany Target entity description: 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.
-
A.
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.
-
B.
Arthur III, Duke of Brittany
Arthur III, Duke of Brittany was a 15th-century Breton nobleman and military leader who served as Constable of France and played a key role in the later stages of the Hundred Years’ War.
-
C.
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.
-
D.
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.
-
E.
John V, Duke of Brittany
John V, Duke of Brittany was a 15th-century Breton ruler who consolidated ducal authority, navigated complex alliances during the Hundred Years’ War, and fostered relative stability and prosperity in his duchy.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Breton prince
ⓘ
medieval nobleman ⓘ member of the House of Montfort ⓘ |
| birthPlace | Duchy of Brittany NERFINISHED ⓘ |
| countryOfCitizenship | Duchy of Brittany NERFINISHED ⓘ |
| dynasty | Montfort dynasty NERFINISHED ⓘ |
| ethnicGroup | Breton people NERFINISHED ⓘ |
| father | John IV, Duke of Brittany NERFINISHED ⓘ |
| fatherInLaw | Louis I, Duke of Orléans NERFINISHED ⓘ |
| givenName | Richard ⓘ |
| house | House of Montfort NERFINISHED ⓘ |
| mother | Joan of Navarre, Queen of England NERFINISHED ⓘ |
| motherInLaw | Valentina Visconti NERFINISHED ⓘ |
| nobleFamily | House of Montfort NERFINISHED ⓘ |
| nobleTitle |
Count of Vertus
NERFINISHED
ⓘ
Count of Étampes NERFINISHED ⓘ |
| notableFamilyMember |
Arthur III, Duke of Brittany
NERFINISHED
ⓘ
Joan of Navarre, Queen of England NERFINISHED ⓘ John IV, Duke of Brittany NERFINISHED ⓘ John V, Duke of Brittany NERFINISHED ⓘ |
| occupation | nobleman ⓘ |
| positionHeld |
Count of Vertus
NERFINISHED
ⓘ
Count of Étampes ⓘ |
| realm | Brittany NERFINISHED ⓘ |
| relative | Charles VI of France NERFINISHED ⓘ |
| sibling |
Arthur III, Duke of Brittany
NERFINISHED
ⓘ
Blanche of Brittany NERFINISHED ⓘ John V, Duke of Brittany NERFINISHED ⓘ Marie of Brittany, Countess of Perche NERFINISHED ⓘ |
| spouse | Margaret of Orléans 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: Richard of Brittany Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Richard of Brittany, Count of Étampes