Joan of Penthièvre
E948633
14th-century person
Breton noble
duchess consort of Brittany
human
noblewoman
rival claimant to the Duchy of Brittany
Joan of Penthièvre was a 14th-century Breton noblewoman and rival claimant to the Duchy of Brittany, whose lineage and political role made her a central figure in the Breton War of Succession.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Joan of Penthièvre canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T11362158 — 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: Joan of Penthièvre Context triple: [House of Penthièvre, foundedBy, Joan of Penthièvre]
-
A.
Bonne of Artois
Bonne of Artois was a French noblewoman of the House of Artois who became Duchess of Burgundy through her marriage to Philip the Good.
-
B.
Joan of Châtillon, Countess of Blois
Joan of Châtillon, Countess of Blois, was a 13th–14th century French noblewoman who held the county of Blois in her own right and was connected to the Capetian royal family through her marriage to Peter, Count of Alençon.
-
C.
Joan of Ponthieu
Joan of Ponthieu was a 13th-century French noblewoman and countess whose lineage connected the Ponthieu inheritance to the English royal family through her daughter Eleanor of Castile.
-
D.
Joan of Dammartin
Joan of Dammartin was a 13th-century French noblewoman who became a prominent feudal ruler and political figure through her inheritance and marriages within the European aristocracy.
-
E.
Yolande of Brienne
Yolande of Brienne was a 13th-century French noblewoman, Queen consort of Jerusalem and later Empress of the Latin Empire of Constantinople through her marriages to Frederick II and John of Brienne.
- 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: Joan of Penthièvre Target entity description: Joan of Penthièvre was a 14th-century Breton noblewoman and rival claimant to the Duchy of Brittany, whose lineage and political role made her a central figure in the Breton War of Succession.
-
A.
Bonne of Artois
Bonne of Artois was a French noblewoman of the House of Artois who became Duchess of Burgundy through her marriage to Philip the Good.
-
B.
Joan of Châtillon, Countess of Blois
Joan of Châtillon, Countess of Blois, was a 13th–14th century French noblewoman who held the county of Blois in her own right and was connected to the Capetian royal family through her marriage to Peter, Count of Alençon.
-
C.
Joan of Ponthieu
Joan of Ponthieu was a 13th-century French noblewoman and countess whose lineage connected the Ponthieu inheritance to the English royal family through her daughter Eleanor of Castile.
-
D.
Joan of Dammartin
Joan of Dammartin was a 13th-century French noblewoman who became a prominent feudal ruler and political figure through her inheritance and marriages within the European aristocracy.
-
E.
Yolande of Brienne
Yolande of Brienne was a 13th-century French noblewoman, Queen consort of Jerusalem and later Empress of the Latin Empire of Constantinople through her marriages to Frederick II and John of Brienne.
- F. None of above. chosen
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
14th-century person
ⓘ
Breton noble ⓘ duchess consort of Brittany ⓘ human ⓘ noblewoman ⓘ rival claimant to the Duchy of Brittany ⓘ |
| birthDate | 1319 ⓘ |
| burialPlace | Franciscan church of Guingamp NERFINISHED ⓘ |
| child |
Charles of Blois (the younger)
NERFINISHED
ⓘ
Guy, Count of Penthièvre NERFINISHED ⓘ Henry of Blois NERFINISHED ⓘ John I, Count of Penthièvre NERFINISHED ⓘ Margaret of Blois NERFINISHED ⓘ Marie of Blois NERFINISHED ⓘ |
| claim | Duchy of Brittany NERFINISHED ⓘ |
| concession | renounced active claim to the ducal title of Brittany ⓘ |
| conflict | Breton War of Succession NERFINISHED ⓘ |
| countryOfCitizenship | Duchy of Brittany NERFINISHED ⓘ |
| deathDate | 1384-09-10 ⓘ |
| deathPlace | Guingamp NERFINISHED ⓘ |
| event | Treaty of Guérande (1365) NERFINISHED ⓘ |
| father |
Guy de Penthièvre
NERFINISHED
ⓘ
Guy of Brittany, Count of Penthièvre NERFINISHED ⓘ |
| heirOf | John III, Duke of Brittany NERFINISHED ⓘ |
| languageSpoken |
Breton
ⓘ
Old French ⓘ |
| marriageDate | 1337 ⓘ |
| marriagePlace | Paris NERFINISHED ⓘ |
| mother | Joan of Savoy NERFINISHED ⓘ |
| name |
Jeanne de Penthièvre
NERFINISHED
ⓘ
Jeanne la Boiteuse NERFINISHED ⓘ Joan of Penthièvre NERFINISHED ⓘ |
| nobleFamily | House of Dreux NERFINISHED ⓘ |
| opponent | John of Montfort NERFINISHED ⓘ |
| opposedBy |
Edward III of England
NERFINISHED
ⓘ
Kingdom of England NERFINISHED ⓘ |
| positionHeld |
Countess of Penthièvre
NERFINISHED
ⓘ
Duchess of Brittany (disputed) NERFINISHED ⓘ Lady of Avaugour NERFINISHED ⓘ |
| relative |
John III, Duke of Brittany
NERFINISHED
ⓘ
John of Montfort NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| retained | hereditary rights to the County of Penthièvre ⓘ |
| sibling | John I, Count of Penthièvre NERFINISHED ⓘ |
| signed | Treaty of Guérande (1365) NERFINISHED ⓘ |
| spouse |
Charles of Blois
NERFINISHED
ⓘ
Charles of Blois, Duke of Brittany NERFINISHED ⓘ |
| supportedBy |
King Charles V of France
NERFINISHED
ⓘ
King John II of France NERFINISHED ⓘ King Philip VI of France NERFINISHED ⓘ Kingdom of France NERFINISHED ⓘ |
| title |
Countess of Penthièvre
NERFINISHED
ⓘ
Duchess of Brittany (disputed) NERFINISHED ⓘ Lady of Avaugour 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: Joan of Penthièvre Description of subject: Joan of Penthièvre was a 14th-century Breton noblewoman and rival claimant to the Duchy of Brittany, whose lineage and political role made her a central figure in the Breton War of Succession.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.