Isabella of Scotland, Duchess of Brittany
E691125
Isabella of Scotland, Duchess of Brittany, was a 15th-century Scottish princess who became Duchess of Brittany through marriage, linking the royal houses of Scotland and Brittany.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Isabella of Scotland, Duchess of Brittany canonical | 4 |
| Isabeau of Scotland | 1 |
| Isabella, Duchess of Brittany | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7370860 — 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: Isabella of Scotland, Duchess of Brittany Context triple: [Eleanor of Scotland, sibling, Isabella of Scotland, Duchess of Brittany]
-
A.
Margaret of Scotland, Duchess of Brittany
Margaret of Scotland, Duchess of Brittany was a 13th-century Scottish princess who became Duchess of Brittany through marriage, linking the royal houses of Scotland and Brittany.
-
B.
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.
-
C.
Mary of Waltham, Duchess of Brittany
Mary of Waltham, Duchess of Brittany, was a 14th-century English princess, daughter of King Edward III, who became duchess through her marriage to John IV, Duke of Brittany.
-
D.
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.
-
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: Isabella of Scotland, Duchess of Brittany Target entity description: Isabella of Scotland, Duchess of Brittany, was a 15th-century Scottish princess who became Duchess of Brittany through marriage, linking the royal houses of Scotland and Brittany.
-
A.
Margaret of Scotland, Duchess of Brittany
Margaret of Scotland, Duchess of Brittany was a 13th-century Scottish princess who became Duchess of Brittany through marriage, linking the royal houses of Scotland and Brittany.
-
B.
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.
-
C.
Mary of Waltham, Duchess of Brittany
Mary of Waltham, Duchess of Brittany, was a 14th-century English princess, daughter of King Edward III, who became duchess through her marriage to John IV, Duke of Brittany.
-
D.
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.
-
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 (32)
| Predicate | Object |
|---|---|
| instanceOf |
15th-century Scottish noblewoman
ⓘ
Duchess consort of Brittany ⓘ Scottish princess ⓘ |
| centuryOfActivity | 15th century ⓘ |
| countryOfCitizenship | Kingdom of Scotland ⓘ |
| dateOfBirth | 1426 ⓘ |
| dateOfDeath | 1494 ⓘ |
| dynasty | House of Stuart NERFINISHED ⓘ |
| father | James I of Scotland NERFINISHED ⓘ |
| givenName | Isabella NERFINISHED ⓘ |
| languageSpoken |
French
ⓘ
Scots ⓘ |
| maritalStatus | married ⓘ |
| memberOf | House of Stewart NERFINISHED ⓘ |
| mother | Joan Beaufort, Queen of Scots NERFINISHED ⓘ |
| nobleTitle |
Duchess of Brittany
NERFINISHED
ⓘ
Princess of Scotland NERFINISHED ⓘ |
| notableFamilyConnection | linked royal houses of Scotland and Brittany through marriage ⓘ |
| placeOfBirth | Scotland ⓘ |
| placeOfDeath | Brittany NERFINISHED ⓘ |
| positionHeld | Duchess of Brittany NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| sexOrGender | female ⓘ |
| sibling |
Alexander Stewart, Duke of Rothesay
NERFINISHED
ⓘ
Annabella of Scotland NERFINISHED ⓘ Eleanor of Scotland NERFINISHED ⓘ Elizabeth of Scotland, Duchess of Albany NERFINISHED ⓘ James II of Scotland NERFINISHED ⓘ Joan of Scotland, Countess of Morton NERFINISHED ⓘ Margaret of Scotland, Dauphine of France NERFINISHED ⓘ Mary of Scotland, Countess of Buchan NERFINISHED ⓘ |
| spouse | Francis I, Duke of Brittany 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: Isabella of Scotland, Duchess of Brittany Description of subject: Isabella of Scotland, Duchess of Brittany, was a 15th-century Scottish princess who became Duchess of Brittany through marriage, linking the royal houses of Scotland and Brittany.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
James II of Scotland
this entity surface form:
Isabella, Duchess of Brittany
this entity surface form:
Isabeau of Scotland