Isabella of Castile, Duchess of York
E154533
Isabella of Castile, Duchess of York, was a 14th-century Spanish noblewoman who became Duchess of York through marriage into the English royal family.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Isabella of Castile, Duchess of York canonical | 8 |
How this entity was disambiguated
This entity first appeared as the object of triple T1165820 — 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 Castile, Duchess of York Context triple: [Duchess of York, firstHolderName, Isabella of Castile, Duchess of York]
-
A.
Eleanor of England, Queen of Castile
Eleanor of England, Queen of Castile, was a 12th–13th century English princess and daughter of Henry II and Eleanor of Aquitaine who became queen consort of Castile and an influential figure in Iberian politics and culture.
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B.
Cristina of England
Cristina of England was an 11th-century English princess and nun, daughter of Edward the Exile and member of the royal House of Wessex.
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C.
Catherine of Lancaster
Catherine of Lancaster was a late 14th- and early 15th-century English princess who became Queen of Castile through marriage, helping to link the English royal line with the Iberian Trastámara dynasty.
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D.
Katherine of England
Katherine of England was the short-lived and reportedly deaf-mute daughter of King Henry III of England and Eleanor of Provence in the 13th century.
-
E.
Margaret of England
Margaret of England was a 13th-century English princess, daughter of King Henry III, who became Queen of Scotland through her marriage to King Alexander III.
- 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 Castile, Duchess of York Target entity description: Isabella of Castile, Duchess of York, was a 14th-century Spanish noblewoman who became Duchess of York through marriage into the English royal family.
-
A.
Eleanor of England, Queen of Castile
Eleanor of England, Queen of Castile, was a 12th–13th century English princess and daughter of Henry II and Eleanor of Aquitaine who became queen consort of Castile and an influential figure in Iberian politics and culture.
-
B.
Cristina of England
Cristina of England was an 11th-century English princess and nun, daughter of Edward the Exile and member of the royal House of Wessex.
-
C.
Catherine of Lancaster
Catherine of Lancaster was a late 14th- and early 15th-century English princess who became Queen of Castile through marriage, helping to link the English royal line with the Iberian Trastámara dynasty.
-
D.
Katherine of England
Katherine of England was the short-lived and reportedly deaf-mute daughter of King Henry III of England and Eleanor of Provence in the 13th century.
-
E.
Margaret of England
Margaret of England was a 13th-century English princess, daughter of King Henry III, who became Queen of Scotland through her marriage to King Alexander III.
- F. None of above. chosen
Statements (19)
| Predicate | Object |
|---|---|
| instanceOf |
Duchess
ⓘ
Spanish noble ⓘ member of the nobility ⓘ noblewoman ⓘ |
| centuryOfActivity | 14th century ⓘ |
| countryOfOrigin |
Kingdom of Castile
ⓘ
linked to:
Castile
|
| ethnicity | Castilian ⓘ |
| gender | female ⓘ |
| languageLikelySpoken |
Castilian
ⓘ
medieval Latin ⓘ |
| maritalStatus | married into the English royal family ⓘ |
| nobleFamily | Castilian nobility ⓘ |
| notableFor |
becoming Duchess of York through marriage
ⓘ
linking Castilian nobility with the English royal family ⓘ |
| regionAssociatedWith |
Castile
ⓘ
England ⓘ |
| socialClass | high nobility ⓘ |
| spouse | Duke of York ⓘ |
| title | Duchess of York ⓘ |
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 Castile, Duchess of York Description of subject: Isabella of Castile, Duchess of York, was a 14th-century Spanish noblewoman who became Duchess of York through marriage into the English royal family.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.