Isabel de Beaumont
E491760
Isabel de Beaumont was a 14th-century English noblewoman who became Duchess of Lancaster through her marriage to Henry of Grosmont, one of the most powerful magnates of Edward III’s reign.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Isabel de Beaumont canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5079083 — 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: Isabel de Beaumont Context triple: [Henry of Grosmont, spouse, Isabel de Beaumont]
-
A.
Isabella of Gloucester
Isabella of Gloucester was an English noblewoman and heiress who became the first wife of King John of England, bringing him substantial lands and political influence through their marriage.
-
B.
Isabella of England, Countess of Bedford
Isabella of England, Countess of Bedford, was a 14th-century English princess, daughter of King Edward III, who became a noblewoman through her marriage into the English aristocracy.
-
C.
Philippa of Lancaster
Philippa of Lancaster was an English-born queen consort of Portugal from the House of Lancaster, whose marriage to King John I helped solidify the Anglo-Portuguese alliance and produced several influential royal children, including Henry the Navigator.
-
D.
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.
-
E.
Isabella of England
Isabella of England was a 13th-century English princess, daughter of King John of England and Isabella of Angoulême, who became Holy Roman Empress and Queen of Sicily through her marriage to Emperor Frederick II.
- 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: Isabel de Beaumont Target entity description: Isabel de Beaumont was a 14th-century English noblewoman who became Duchess of Lancaster through her marriage to Henry of Grosmont, one of the most powerful magnates of Edward III’s reign.
-
A.
Isabella of Gloucester
Isabella of Gloucester was an English noblewoman and heiress who became the first wife of King John of England, bringing him substantial lands and political influence through their marriage.
-
B.
Isabella of England, Countess of Bedford
Isabella of England, Countess of Bedford, was a 14th-century English princess, daughter of King Edward III, who became a noblewoman through her marriage into the English aristocracy.
-
C.
Philippa of Lancaster
Philippa of Lancaster was an English-born queen consort of Portugal from the House of Lancaster, whose marriage to King John I helped solidify the Anglo-Portuguese alliance and produced several influential royal children, including Henry the Navigator.
-
D.
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.
-
E.
Isabella of England
Isabella of England was a 13th-century English princess, daughter of King John of England and Isabella of Angoulême, who became Holy Roman Empress and Queen of Sicily through her marriage to Emperor Frederick II.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
Duchess of Lancaster
ⓘ
English noblewoman ⓘ medieval noble ⓘ |
| countryOfCitizenship | Kingdom of England ⓘ |
| family | House of Lancaster NERFINISHED ⓘ |
| floruit | 14th century ⓘ |
| gender | female ⓘ |
| languageSpoken |
Anglo-Norman French
NERFINISHED
ⓘ
Middle English ⓘ |
| maritalStatus | married ⓘ |
| monarchDuringLifetime | Edward III of England NERFINISHED ⓘ |
| nobleTitle |
Countess of Lancaster
NERFINISHED
ⓘ
Duchess of Lancaster NERFINISHED ⓘ |
| notableFor |
being Duchess of Lancaster during the reign of Edward III
ⓘ
marriage alliance with the powerful House of Lancaster ⓘ |
| positionHeld | Duchess of Lancaster NERFINISHED ⓘ |
| region | England ⓘ |
| socialClass | nobility ⓘ |
| spouse | Henry of Grosmont, 1st Duke of Lancaster NERFINISHED ⓘ |
| spouseInstanceOf |
English nobleman
ⓘ
medieval magnate ⓘ |
| spouseNobleTitle |
Duke of Lancaster
NERFINISHED
ⓘ
Earl of Lancaster NERFINISHED ⓘ |
| spouseOccupation | English magnate ⓘ |
| spouseServedMonarch | Edward III of England NERFINISHED ⓘ |
| timePeriod | Late Middle Ages ⓘ |
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: Isabel de Beaumont Description of subject: Isabel de Beaumont was a 14th-century English noblewoman who became Duchess of Lancaster through her marriage to Henry of Grosmont, one of the most powerful magnates of Edward III’s reign.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.