Matilda of Brittany
E572435
Matilda of Brittany was a 12th–13th century noblewoman, the daughter of Geoffrey II, Duke of Brittany, and a granddaughter of King Henry II of England, placing her within the Angevin royal dynasty.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Matilda of Brittany canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5648271 — 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: Matilda of Brittany Context triple: [Geoffrey II, Duke of Brittany, child, Matilda of Brittany]
-
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.
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.
-
C.
Constance, Duchess of Brittany
Constance, Duchess of Brittany, was a 12th-century Breton noblewoman and heiress whose turbulent marriages and political struggles significantly shaped the succession disputes between England and Brittany.
-
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.
Marie of Brittany
Marie of Brittany was a 13th-century French noblewoman, daughter of John II, Duke of Brittany, and Beatrice of England, and a granddaughter of King Henry III of England.
- 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: Matilda of Brittany Target entity description: Matilda of Brittany was a 12th–13th century noblewoman, the daughter of Geoffrey II, Duke of Brittany, and a granddaughter of King Henry II of England, placing her within the Angevin royal dynasty.
-
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.
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.
-
C.
Constance, Duchess of Brittany
Constance, Duchess of Brittany, was a 12th-century Breton noblewoman and heiress whose turbulent marriages and political struggles significantly shaped the succession disputes between England and Brittany.
-
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.
Marie of Brittany
Marie of Brittany was a 13th-century French noblewoman, daughter of John II, Duke of Brittany, and Beatrice of England, and a granddaughter of King Henry III of England.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
medieval noble
ⓘ
member of the Angevin dynasty ⓘ noblewoman ⓘ |
| associatedWithTerritory |
Brittany
NERFINISHED
ⓘ
County of Richmond NERFINISHED ⓘ |
| birthOrder | eldest daughter of Geoffrey II, Duke of Brittany and Constance, Duchess of Brittany ⓘ |
| centuryOfBirth | 12th century ⓘ |
| centuryOfDeath | 13th century ⓘ |
| countryOfCitizenship | Duchy of Brittany NERFINISHED ⓘ |
| dateOfBirth | circa 1185 ⓘ |
| dateOfDeath | before 19 May 1225 ⓘ |
| dynasty | Angevin dynasty NERFINISHED ⓘ |
| era | High Middle Ages ⓘ |
| father | Geoffrey II, Duke of Brittany NERFINISHED ⓘ |
| feudalStatus | Anglo-Breton noble ⓘ |
| givenName | Matilda NERFINISHED ⓘ |
| grandfather | Henry II of England NERFINISHED ⓘ |
| grandmother | Eleanor of Aquitaine NERFINISHED ⓘ |
| grandparentHouse | House of Anjou-Plantagenet NERFINISHED ⓘ |
| heldFrom | King John of England NERFINISHED ⓘ |
| house | House of Plantagenet NERFINISHED ⓘ |
| languageSpoken |
Latin
ⓘ
Old French ⓘ |
| marriageDate | circa 1209 ⓘ |
| maternalTitleOfMother | Duchess of Brittany NERFINISHED ⓘ |
| mother | Constance, Duchess of Brittany NERFINISHED ⓘ |
| nobleFamily | Ducal house of Brittany NERFINISHED ⓘ |
| nobleTitle | Countess of Richmond NERFINISHED ⓘ |
| notableRelative |
Arthur I, Duke of Brittany
NERFINISHED
ⓘ
Eleanor, Fair Maid of Brittany NERFINISHED ⓘ Geoffrey II, Duke of Brittany NERFINISHED ⓘ Henry the Young King NERFINISHED ⓘ John, King of England NERFINISHED ⓘ Richard I of England NERFINISHED ⓘ |
| paternalGrandfather | Henry II of England NERFINISHED ⓘ |
| paternalGrandmother | Eleanor of Aquitaine NERFINISHED ⓘ |
| paternalTitleOfFather | Duke of Brittany NERFINISHED ⓘ |
| placeOfBirth | Brittany NERFINISHED ⓘ |
| politicalContext | Angevin Empire NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| sexOrGender | female ⓘ |
| sibling |
Arthur I, Duke of Brittany
NERFINISHED
ⓘ
Eleanor, Fair Maid of Brittany NERFINISHED ⓘ |
| spouse | Andrew II, Baron of Vitré NERFINISHED ⓘ |
| titleHeld | Countess of Richmond 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: Matilda of Brittany Description of subject: Matilda of Brittany was a 12th–13th century noblewoman, the daughter of Geoffrey II, Duke of Brittany, and a granddaughter of King Henry II of England, placing her within the Angevin royal dynasty.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.