Blanche of Navarre, Duchess of Brittany
E1024750
Blanche of Navarre, Duchess of Brittany, was a 14th-century noblewoman from the royal house of Navarre who became Duchess consort of Brittany and the mother of Duke John II.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Blanche of Navarre, Duchess of Brittany canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11813792 — 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: Blanche of Navarre, Duchess of Brittany Context triple: [John II, Duke of Brittany, mother, Blanche of Navarre, Duchess of Brittany]
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A.
Blanche of Brittany
Blanche of Brittany was a 13th-century French noblewoman of the ducal house of Brittany, notable for her Plantagenet royal connections through her mother Beatrice of England.
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B.
Yolande of Brittany
Yolande of Brittany was a 13th-century French noblewoman and heiress whose marriage into the House of Lusignan linked the ducal house of Brittany with powerful Poitevin and Angevin interests.
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C.
Joan of Valois, Duchess of Brittany
Joan of Valois, Duchess of Brittany, was a 14th-century French princess of the Valois dynasty who became Duchess of Brittany through marriage into the Breton ducal house.
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D.
Eleanor of Brittany
Eleanor of Brittany was a 13th-century English princess and daughter of King Henry III and Eleanor of Provence, known for her brief betrothal to Simon de Montfort’s son and her life largely spent in religious devotion.
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E.
Duchess of Brittany
The Duchess of Brittany was the consort or female ruler associated with the historic Duchy of Brittany in medieval France, often playing a key role in regional politics and dynastic alliances.
- 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: Blanche of Navarre, Duchess of Brittany Target entity description: Blanche of Navarre, Duchess of Brittany, was a 14th-century noblewoman from the royal house of Navarre who became Duchess consort of Brittany and the mother of Duke John II.
-
A.
Blanche of Brittany
Blanche of Brittany was a 13th-century French noblewoman of the ducal house of Brittany, notable for her Plantagenet royal connections through her mother Beatrice of England.
-
B.
Yolande of Brittany
Yolande of Brittany was a 13th-century French noblewoman and heiress whose marriage into the House of Lusignan linked the ducal house of Brittany with powerful Poitevin and Angevin interests.
-
C.
Joan of Valois, Duchess of Brittany
Joan of Valois, Duchess of Brittany, was a 14th-century French princess of the Valois dynasty who became Duchess of Brittany through marriage into the Breton ducal house.
-
D.
Eleanor of Brittany
Eleanor of Brittany was a 13th-century English princess and daughter of King Henry III and Eleanor of Provence, known for her brief betrothal to Simon de Montfort’s son and her life largely spent in religious devotion.
-
E.
Duchess of Brittany
The Duchess of Brittany was the consort or female ruler associated with the historic Duchy of Brittany in medieval France, often playing a key role in regional politics and dynastic alliances.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
duchess consort
ⓘ
member of royalty ⓘ noblewoman ⓘ |
| associatedWithDynasty | House of Montfort NERFINISHED ⓘ |
| associatedWithTerritory | Duchy of Brittany NERFINISHED ⓘ |
| birthCentury | 14th century ⓘ |
| child | John II, Duke of Brittany NERFINISHED ⓘ |
| countryOfOrigin | Kingdom of Navarre NERFINISHED ⓘ |
| deathCentury | 15th century ⓘ |
| era | Late Middle Ages ⓘ |
| father | Charles II of Navarre NERFINISHED ⓘ |
| gender | female ⓘ |
| givenName | Blanche NERFINISHED ⓘ |
| languageOfUse | Old French ⓘ |
| mother | Joan of France, Queen of Navarre NERFINISHED ⓘ |
| motherOf | John II, Duke of Brittany NERFINISHED ⓘ |
| nobleFamily |
House of Navarre
NERFINISHED
ⓘ
House of Évreux NERFINISHED ⓘ |
| nobleRank | duchess ⓘ |
| notableFor |
being Duchess consort of Brittany
ⓘ
being mother of John II, Duke of Brittany ⓘ |
| positionHeld | Duchess consort of Brittany ⓘ |
| religion | Roman Catholicism ⓘ |
| sibling |
Beatrice of Navarre
NERFINISHED
ⓘ
Charles III of Navarre NERFINISHED ⓘ Isabella of Navarre NERFINISHED ⓘ Joan of Navarre, Queen of England NERFINISHED ⓘ Margaret of Navarre NERFINISHED ⓘ Marie of Navarre NERFINISHED ⓘ Peter of Navarre NERFINISHED ⓘ Philip of Navarre NERFINISHED ⓘ |
| spouse |
John IV, Duke of Brittany
NERFINISHED
ⓘ
John of Montfort NERFINISHED ⓘ |
| title |
Duchess of Brittany
NERFINISHED
ⓘ
Princess of Navarre 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: Blanche of Navarre, Duchess of Brittany Description of subject: Blanche of Navarre, Duchess of Brittany, was a 14th-century noblewoman from the royal house of Navarre who became Duchess consort of Brittany and the mother of Duke John II.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.