Anne de Mortimer
E551519
Anne de Mortimer was an English noblewoman of the House of Mortimer whose royal lineage through Lionel of Antwerp provided a key Yorkist claim to the English throne during the Wars of the Roses.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Anne de Mortimer canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T5624495 — 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: Anne de Mortimer Context triple: [Richard Plantagenet, 3rd Duke of York, mother, Anne de Mortimer]
-
A.
Anne Beaufort
Anne Beaufort was a lesser-known member of the influential English Beaufort family, a noble lineage closely connected to the House of Lancaster during the late medieval period.
-
B.
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.
-
C.
Anne Neville
Anne Neville was an English noblewoman and queen consort of King Richard III during the late 15th-century Wars of the Roses.
-
D.
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.
-
E.
Elizabeth de Clare
Elizabeth de Clare was a 14th-century English noblewoman and wealthy heiress whose endowment helped found and shape Clare College at the University of Cambridge.
- 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: Anne de Mortimer Target entity description: Anne de Mortimer was an English noblewoman of the House of Mortimer whose royal lineage through Lionel of Antwerp provided a key Yorkist claim to the English throne during the Wars of the Roses.
-
A.
Anne Beaufort
Anne Beaufort was a lesser-known member of the influential English Beaufort family, a noble lineage closely connected to the House of Lancaster during the late medieval period.
-
B.
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.
-
C.
Anne Neville
Anne Neville was an English noblewoman and queen consort of King Richard III during the late 15th-century Wars of the Roses.
-
D.
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.
-
E.
Elizabeth de Clare
Elizabeth de Clare was a 14th-century English noblewoman and wealthy heiress whose endowment helped found and shape Clare College at the University of Cambridge.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
English noblewoman
ⓘ
member of the House of Mortimer ⓘ |
| ancestor | Lionel of Antwerp, 1st Duke of Clarence NERFINISHED ⓘ |
| associatedWith | Wars of the Roses NERFINISHED ⓘ |
| burialPlace | likely in England (exact location uncertain) ⓘ |
| causeOfDeath | complications of childbirth (probable) ⓘ |
| child |
Henry of York
NERFINISHED
ⓘ
Isabel of York, Countess of Essex NERFINISHED ⓘ Richard, 3rd Duke of York NERFINISHED ⓘ |
| countryOfCitizenship | Kingdom of England ⓘ |
| dateOfBirth | 1390 ⓘ |
| dateOfDeath | 1411 ⓘ |
| descendant |
Edward IV of England
NERFINISHED
ⓘ
Edward V of England NERFINISHED ⓘ Elizabeth of York NERFINISHED ⓘ Henry VII of England NERFINISHED ⓘ Richard III of England NERFINISHED ⓘ Tudor dynasty NERFINISHED ⓘ |
| era | Late Middle Ages ⓘ |
| familyName | Mortimer NERFINISHED ⓘ |
| father | Roger Mortimer, 4th Earl of March NERFINISHED ⓘ |
| fullName | Anne de Mortimer NERFINISHED ⓘ |
| givenName | Anne NERFINISHED ⓘ |
| grandfather |
Edmund Mortimer, 3rd Earl of March
NERFINISHED
ⓘ
Thomas Holland, 2nd Earl of Kent NERFINISHED ⓘ |
| grandmother |
Alice FitzAlan
NERFINISHED
ⓘ
Philippa of Clarence NERFINISHED ⓘ |
| houseAffiliationThroughMarriage | House of York NERFINISHED ⓘ |
| languageSpoken | Middle English ⓘ |
| maternalLineage | Holland family ⓘ |
| mother | Alianore Holland NERFINISHED ⓘ |
| nobleFamily |
House of Mortimer
NERFINISHED
ⓘ
House of York NERFINISHED ⓘ |
| notableFor |
descent from Lionel of Antwerp, second surviving son of Edward III
ⓘ
providing a Yorkist claim to the English throne ⓘ |
| paternalLineage | Mortimer claim through Edmund Mortimer, 3rd Earl of March ⓘ |
| placeOfBirth | Kingdom of England NERFINISHED ⓘ |
| placeOfDeath | Kingdom of England NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| royalHouseClaim | claim to the English throne through the senior line of Edward III via Lionel of Antwerp ⓘ |
| sibling |
Edmund Mortimer, 5th Earl of March
NERFINISHED
ⓘ
Eleanor Mortimer NERFINISHED ⓘ John Mortimer NERFINISHED ⓘ Roger Mortimer NERFINISHED ⓘ |
| spouse | Richard of Conisburgh, 3rd Earl of Cambridge NERFINISHED ⓘ |
| titleHeldByMarriage | Countess of Cambridge 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: Anne de Mortimer Description of subject: Anne de Mortimer was an English noblewoman of the House of Mortimer whose royal lineage through Lionel of Antwerp provided a key Yorkist claim to the English throne during the Wars of the Roses.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.