Isabel of Lancaster
E874778
Isabel of Lancaster was a 14th-century English noblewoman of the royal House of Lancaster, daughter of Henry, 3rd Earl of Lancaster, and a granddaughter of King Henry III.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Isabel of Lancaster canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10558611 — 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 of Lancaster Context triple: [Henry, 3rd Earl of Lancaster, child, Isabel of Lancaster]
-
A.
Mary of Lancaster
Mary of Lancaster was a medieval English noblewoman, daughter of Edmund Crouchback, 1st Earl of Lancaster, and a member of the royal Plantagenet family.
-
B.
Elizabeth of Lancaster
Elizabeth of Lancaster was an English noblewoman, daughter of John of Gaunt and granddaughter of King Edward III, who played a notable role in the politics of the late 14th century through her influential marriages.
-
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.
Blanche of Lancaster
Blanche of Lancaster was a 14th-century English noblewoman, heiress, and first wife of John of Gaunt, whose inheritance helped lay the foundations of the Lancastrian branch of the English royal family.
-
E.
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.
- 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 of Lancaster Target entity description: Isabel of Lancaster was a 14th-century English noblewoman of the royal House of Lancaster, daughter of Henry, 3rd Earl of Lancaster, and a granddaughter of King Henry III.
-
A.
Mary of Lancaster
Mary of Lancaster was a medieval English noblewoman, daughter of Edmund Crouchback, 1st Earl of Lancaster, and a member of the royal Plantagenet family.
-
B.
Elizabeth of Lancaster
Elizabeth of Lancaster was an English noblewoman, daughter of John of Gaunt and granddaughter of King Edward III, who played a notable role in the politics of the late 14th century through her influential marriages.
-
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.
Blanche of Lancaster
Blanche of Lancaster was a 14th-century English noblewoman, heiress, and first wife of John of Gaunt, whose inheritance helped lay the foundations of the Lancastrian branch of the English royal family.
-
E.
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.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
English noble
ⓘ
member of the House of Lancaster ⓘ noblewoman ⓘ |
| centuryOfBirth | 14th century ⓘ |
| centuryOfDeath | 14th century ⓘ |
| child | Henry Percy, 1st Earl of Northumberland NERFINISHED ⓘ |
| countryOfCitizenship | Kingdom of England ⓘ |
| dateOfBirth | circa 1317 ⓘ |
| dateOfDeath | before 12 July 1349 ⓘ |
| father | Henry, 3rd Earl of Lancaster NERFINISHED ⓘ |
| floruit | 14th century ⓘ |
| givenName | Isabel NERFINISHED ⓘ |
| grandfather |
Edmund Crouchback, 1st Earl of Lancaster
NERFINISHED
ⓘ
King Henry III of England NERFINISHED ⓘ Patrick de Chaworth NERFINISHED ⓘ |
| grandmother |
Blanche of Artois
NERFINISHED
ⓘ
Isabel de Beauchamp NERFINISHED ⓘ |
| languageOfUse |
Anglo-Norman French
ⓘ
Middle English ⓘ |
| maternalGrandfather | Patrick de Chaworth NERFINISHED ⓘ |
| maternalGrandmother | Isabel de Beauchamp NERFINISHED ⓘ |
| memberOfDynasty | House of Lancaster NERFINISHED ⓘ |
| mother | Maud Chaworth NERFINISHED ⓘ |
| nobleFamily | Lancaster branch of the Plantagenet dynasty ⓘ |
| nobleTitle | Baroness Percy NERFINISHED ⓘ |
| paternalGrandfather | Edmund Crouchback, 1st Earl of Lancaster NERFINISHED ⓘ |
| paternalGrandmother | Blanche of Artois NERFINISHED ⓘ |
| placeOfOrigin | Kingdom of England NERFINISHED ⓘ |
| relative | King Henry III of England NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| sexOrGender | female ⓘ |
| sibling |
Eleanor of Lancaster
NERFINISHED
ⓘ
Henry of Grosmont, 1st Duke of Lancaster NERFINISHED ⓘ Joan of Lancaster NERFINISHED ⓘ Mary of Lancaster NERFINISHED ⓘ Maud of Lancaster, Countess of Ulster NERFINISHED ⓘ |
| socialClass | high nobility ⓘ |
| spouse | Henry de Percy, 3rd Baron Percy 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: Isabel of Lancaster Description of subject: Isabel of Lancaster was a 14th-century English noblewoman of the royal House of Lancaster, daughter of Henry, 3rd Earl of Lancaster, and a granddaughter of King Henry III.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.