Margaret of Cornwall
E752727
Margaret of Cornwall was a 13th-century English noblewoman, granddaughter of the powerful Marshal family and a member of the high-ranking Cornish aristocracy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Margaret of Cornwall canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8529888 — 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: Margaret of Cornwall Context triple: [Isabel Marshal, child, Margaret of Cornwall]
-
A.
Beatrice of England
Beatrice of England was a 13th-century English princess and daughter of King Henry III who became Duchess of Brittany through her marriage to John II, Duke of Brittany.
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B.
Eleanor of England
Eleanor of England was a 13th-century English princess, daughter of King Henry II and Eleanor of Aquitaine, who became Queen consort of Castile through her marriage to King Alfonso VIII.
-
C.
Eleanor of England
Eleanor of England, also known as Eleanor de Montfort, was a 13th-century English princess and daughter of King John who became a prominent noblewoman through her marriage to Simon de Montfort, leader of the baronial opposition to King Henry III.
-
D.
Blanche of England
Blanche of England was an English princess, daughter of King Henry IV, who became Electress Palatine through her marriage to Louis III, Elector Palatine.
-
E.
Margaret of England
Margaret of England was a 13th-century English princess, daughter of King Edward I, who became Duchess of Brabant through marriage.
- 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: Margaret of Cornwall Target entity description: Margaret of Cornwall was a 13th-century English noblewoman, granddaughter of the powerful Marshal family and a member of the high-ranking Cornish aristocracy.
-
A.
Beatrice of England
Beatrice of England was a 13th-century English princess and daughter of King Henry III who became Duchess of Brittany through her marriage to John II, Duke of Brittany.
-
B.
Eleanor of England
Eleanor of England was a 13th-century English princess, daughter of King Henry II and Eleanor of Aquitaine, who became Queen consort of Castile through her marriage to King Alfonso VIII.
-
C.
Eleanor of England
Eleanor of England, also known as Eleanor de Montfort, was a 13th-century English princess and daughter of King John who became a prominent noblewoman through her marriage to Simon de Montfort, leader of the baronial opposition to King Henry III.
-
D.
Blanche of England
Blanche of England was an English princess, daughter of King Henry IV, who became Electress Palatine through her marriage to Louis III, Elector Palatine.
-
E.
Margaret of England
Margaret of England was a 13th-century English princess, daughter of King Edward I, who became Duchess of Brabant through marriage.
- F. None of above. chosen
Statements (14)
| Predicate | Object |
|---|---|
| instanceOf |
13th-century English person
ⓘ
medieval English noble ⓘ noblewoman ⓘ |
| countryOfCitizenship | Kingdom of England ⓘ |
| ethnicGroup | English ⓘ |
| familyName | Marshal ⓘ |
| floruit | 13th century ⓘ |
| memberOfNobleFamily |
Cornish aristocracy
ⓘ
Marshal family ⓘ
linked to:
the Marshal family
|
| nobleTitleTerritorialAssociation | Cornwall ⓘ |
| notableFamilyConnection | granddaughter of the Marshal family ⓘ |
| positionHeld | English noblewoman ⓘ |
| sexOrGender | female ⓘ |
| socialRank | high-ranking nobility ⓘ |
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: Margaret of Cornwall Description of subject: Margaret of Cornwall was a 13th-century English noblewoman, granddaughter of the powerful Marshal family and a member of the high-ranking Cornish aristocracy.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.