Edmund Mortimer
E960981
UNEXPLORED
Edmund Mortimer was an English nobleman of the late 14th and early 15th centuries, notable for his disputed claim to the English throne and his involvement in the political conflicts surrounding the reign of Henry IV.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Edmund Mortimer canonical | 3 |
| Edmund Mortimer, 3rd Earl of March | 2 |
| Edmund Mortimer, 5th Earl of March | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12008116 — 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: Edmund Mortimer Context triple: [Owen Glendower, allyOf, Edmund Mortimer]
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A.
Edmund Mortimer, 2nd Baron Mortimer
Edmund Mortimer, 2nd Baron Mortimer, was a prominent 13th-century English nobleman and Marcher lord who expanded the Mortimer family’s power along the Welsh border through military service and strategic alliances.
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B.
Roger Mortimer of Wigmore
Roger Mortimer of Wigmore was a powerful 13th–14th century English Marcher lord and military commander, notable as the father of Roger Mortimer, 1st Earl of March, and a key figure in the politics of the Welsh borderlands.
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C.
Roger Mortimer, 1st Earl of March
Roger Mortimer, 1st Earl of March, was a powerful 14th-century English nobleman who led the rebellion against King Edward II and effectively ruled England during the early reign of Edward III before being overthrown and executed.
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D.
Edmund of Lancaster
Edmund of Lancaster was a 13th-century English prince, son of King Henry III, who became a powerful nobleman and military leader as Earl of Lancaster and Leicester.
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E.
Arthur Beaufort
Arthur Beaufort is a central fictional character in Edward Bulwer-Lytton’s novel "Night and Morning," around whom much of the story’s drama and moral conflict revolves.
- 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: Edmund Mortimer Target entity description: Edmund Mortimer was an English nobleman of the late 14th and early 15th centuries, notable for his disputed claim to the English throne and his involvement in the political conflicts surrounding the reign of Henry IV.
-
A.
Edmund Mortimer, 2nd Baron Mortimer
Edmund Mortimer, 2nd Baron Mortimer, was a prominent 13th-century English nobleman and Marcher lord who expanded the Mortimer family’s power along the Welsh border through military service and strategic alliances.
-
B.
Roger Mortimer of Wigmore
Roger Mortimer of Wigmore was a powerful 13th–14th century English Marcher lord and military commander, notable as the father of Roger Mortimer, 1st Earl of March, and a key figure in the politics of the Welsh borderlands.
-
C.
Roger Mortimer, 1st Earl of March
Roger Mortimer, 1st Earl of March, was a powerful 14th-century English nobleman who led the rebellion against King Edward II and effectively ruled England during the early reign of Edward III before being overthrown and executed.
-
D.
Edmund of Lancaster
Edmund of Lancaster was a 13th-century English prince, son of King Henry III, who became a powerful nobleman and military leader as Earl of Lancaster and Leicester.
-
E.
Arthur Beaufort
Arthur Beaufort is a central fictional character in Edward Bulwer-Lytton’s novel "Night and Morning," around whom much of the story’s drama and moral conflict revolves.
- F. None of above. chosen
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Edmund Mortimer, 5th Earl of March
this entity surface form:
Edmund Mortimer, 3rd Earl of March
this entity surface form:
Edmund Mortimer, 3rd Earl of March