Mortimer dynasty
E846662
The Mortimer dynasty was a powerful medieval Anglo-Norman noble family, centered in the Welsh Marches, that played a major role in English politics and succession struggles, especially during the 13th and 14th centuries.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mortimer dynasty canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10160102 — 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: Mortimer dynasty Context triple: [Mortimer Trail, associatedWith, Mortimer dynasty]
-
A.
Mortimer family
The Mortimer family is a prominent American lineage known for its social standing, wealth, and connections to other influential East Coast families.
-
B.
House of Plantagenet
The House of Plantagenet was a powerful royal dynasty that ruled England and large parts of France during the Middle Ages, overseeing major events such as the signing of Magna Carta, the Hundred Years’ War, and the Wars of the Roses.
-
C.
Arthur family
The Arthur family is a notable American family lineage that includes figures such as William Lewis Herndon Arthur among its members.
-
D.
Warwick family
The Warwick family is a familial lineage or household to which Mancel Warrick belongs.
-
E.
House of Courtenay
The House of Courtenay was a prominent medieval French noble family that produced Latin emperors of Constantinople and held significant influence in European aristocratic and crusader politics.
- 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: Mortimer dynasty Target entity description: The Mortimer dynasty was a powerful medieval Anglo-Norman noble family, centered in the Welsh Marches, that played a major role in English politics and succession struggles, especially during the 13th and 14th centuries.
-
A.
Mortimer family
The Mortimer family is a prominent American lineage known for its social standing, wealth, and connections to other influential East Coast families.
-
B.
House of Plantagenet
The House of Plantagenet was a powerful royal dynasty that ruled England and large parts of France during the Middle Ages, overseeing major events such as the signing of Magna Carta, the Hundred Years’ War, and the Wars of the Roses.
-
C.
Arthur family
The Arthur family is a notable American family lineage that includes figures such as William Lewis Herndon Arthur among its members.
-
D.
Warwick family
The Warwick family is a familial lineage or household to which Mancel Warrick belongs.
-
E.
House of Courtenay
The House of Courtenay was a prominent medieval French noble family that produced Latin emperors of Constantinople and held significant influence in European aristocratic and crusader politics.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
medieval dynasty
ⓘ
noble family ⓘ |
| acquiredThroughMarriage |
Earldom of Ulster
NERFINISHED
ⓘ
claims to the English throne via Lionel of Antwerp line ⓘ |
| activePeriod |
13th century
ⓘ
14th century ⓘ |
| alliedWith | Isabella of France NERFINISHED ⓘ |
| country | Kingdom of England ⓘ |
| ethnicity | Anglo-Norman NERFINISHED ⓘ |
| extinctionReason | main line merged into House of York ⓘ |
| founder | Ranulf de Mortimer NERFINISHED ⓘ |
| governedTerritory |
lordship of Maelienydd
ⓘ
lordship of Wigmore NERFINISHED ⓘ |
| hereditaryClaim | claim to the English throne in the late 14th century ⓘ |
| language |
Anglo-Norman French
NERFINISHED
ⓘ
Middle English NERFINISHED ⓘ |
| notableEvent | execution of Roger Mortimer, 1st Earl of March in 1330 ⓘ |
| notableFor |
influence in English politics
ⓘ
role in succession disputes ⓘ |
| notableMember |
Edmund Mortimer, 2nd Baron Mortimer
NERFINISHED
ⓘ
Edmund Mortimer, 3rd Earl of March NERFINISHED ⓘ Edmund Mortimer, 5th Earl of March NERFINISHED ⓘ Roger Mortimer, 1st Baron Mortimer NERFINISHED ⓘ Roger Mortimer, 1st Earl of March NERFINISHED ⓘ Roger Mortimer, 4th Earl of March NERFINISHED ⓘ |
| origin | Normandy NERFINISHED ⓘ |
| playedRoleIn |
Second Barons' War
NERFINISHED
ⓘ
Wars of the Roses (through Mortimer inheritance in Yorkist claim) NERFINISHED ⓘ Welsh Marches conflicts NERFINISHED ⓘ deposition of Edward II ⓘ |
| politicalAlignment | Marcher Lords NERFINISHED ⓘ |
| powerBase |
Herefordshire
NERFINISHED
ⓘ
Shropshire NERFINISHED ⓘ borderlands of Wales ⓘ |
| region | Welsh Marches NERFINISHED ⓘ |
| relatedTo |
House of York
NERFINISHED
ⓘ
Plantagenet dynasty NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| seat |
Chirk Castle
NERFINISHED
ⓘ
Cleobury Mortimer NERFINISHED ⓘ Ludlow Castle NERFINISHED ⓘ Maelienydd NERFINISHED ⓘ Wigmore Castle NERFINISHED ⓘ |
| socialClass | high nobility ⓘ |
| status | extinct ⓘ |
| titleHeld |
Baron Mortimer
NERFINISHED
ⓘ
Earl of March NERFINISHED ⓘ Earl of Ulster 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: Mortimer dynasty Description of subject: The Mortimer dynasty was a powerful medieval Anglo-Norman noble family, centered in the Welsh Marches, that played a major role in English politics and succession struggles, especially during the 13th and 14th centuries.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.