Simon de Montfort, 6th Earl of Leicester
E48938
Simon de Montfort, 6th Earl of Leicester, was a 13th-century nobleman and military leader who led the baronial opposition to King Henry III of England and played a key role in the early development of the English Parliament.
All labels observed (7)
How this entity was disambiguated
This entity first appeared as the object of triple T375482 — 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.
Target entity: Simon de Montfort, 6th Earl of Leicester Context triple: [Henry III of England, opponent, Simon de Montfort, 6th Earl of Leicester]
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A.
Edmund Crouchback, 1st Earl of Lancaster
Edmund Crouchback, 1st Earl of Lancaster, was a 13th-century English prince and military leader who became a powerful noble through extensive landholdings and royal favor, founding the House of Lancaster.
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B.
Roger de Montgomery
Roger de Montgomery was an 11th-century Norman nobleman and close ally of William the Conqueror who became Earl of Shrewsbury and a major landholder in post-Conquest England.
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C.
Richard Chancellor
Richard Chancellor was a 16th-century English navigator and explorer who pioneered the sea route to Russia and helped establish early Anglo-Russian trade relations.
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D.
Earl Marshal
The Earl Marshal is a senior hereditary officer of state in England responsible for overseeing heraldry, state ceremonies, and the College of Arms.
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E.
Robert de Eglesfield
Robert de Eglesfield was a 14th-century English cleric and royal chaplain best known as the founder of The Queen’s College, Oxford.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Simon de Montfort, 6th Earl of Leicester Target entity description: Simon de Montfort, 6th Earl of Leicester, was a 13th-century nobleman and military leader who led the baronial opposition to King Henry III of England and played a key role in the early development of the English Parliament.
-
A.
Edmund Crouchback, 1st Earl of Lancaster
Edmund Crouchback, 1st Earl of Lancaster, was a 13th-century English prince and military leader who became a powerful noble through extensive landholdings and royal favor, founding the House of Lancaster.
-
B.
Roger de Montgomery
Roger de Montgomery was an 11th-century Norman nobleman and close ally of William the Conqueror who became Earl of Shrewsbury and a major landholder in post-Conquest England.
-
C.
Richard Chancellor
Richard Chancellor was a 16th-century English navigator and explorer who pioneered the sea route to Russia and helped establish early Anglo-Russian trade relations.
-
D.
Earl Marshal
The Earl Marshal is a senior hereditary officer of state in England responsible for overseeing heraldry, state ceremonies, and the College of Arms.
-
E.
Robert de Eglesfield
Robert de Eglesfield was a 14th-century English cleric and royal chaplain best known as the founder of The Queen’s College, Oxford.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Earl of Leicester
ⓘ
English nobleman ⓘ baronial leader ⓘ historical figure ⓘ medieval military leader ⓘ |
| associatedWith | early English constitutionalism ⓘ |
| battle |
Battle of Evesham
ⓘ
Battle of Lewes ⓘ |
| birthYear | c. 1208 ⓘ |
| brotherInLaw |
Henry III of England
ⓘ
surface form:
King Henry III of England
|
| burialPlace | Evesham Abbey (site, remains lost) ⓘ |
| countryOfCitizenship | Kingdom of England ⓘ |
| deathDate | 4 August 1265 ⓘ |
| deathPlace |
Evesham
ⓘ
surface form:
Evesham, Worcestershire, England
|
| deathYear | 1265 ⓘ |
| defeat | Battle of Evesham ⓘ |
| era | 13th century ⓘ |
| familyName | de Montfort ⓘ |
| father |
Simon de Montfort, 6th Earl of Leicester
self-linksurface differs
ⓘ
surface form:
Simon de Montfort, 5th Earl of Leicester
|
| fatherInLaw | King John of England ⓘ |
| givenName | Simon ⓘ |
| heldTitle |
Earl of Leicester
ⓘ
surface form:
6th Earl of Leicester
|
| house | House of Montfort ⓘ |
| knownFor |
leadership in the Second Barons' War
ⓘ
role in the development of the English Parliament ⓘ |
| language |
French
ⓘ
Latin ⓘ |
| legacy | considered a forerunner of parliamentary democracy in England ⓘ |
| militaryConflict | Second Barons' War ⓘ |
| mother | Alix de Montmorency ⓘ |
| motherInLaw | Eleanor of Aquitaine ⓘ |
| nobleTitle | Earl of Leicester ⓘ |
| notableAchievement | summoning of the 1265 Parliament including elected burgesses ⓘ |
| notableWork | leadership of the baronial opposition to Henry III ⓘ |
| opponent |
Henry III of England
ⓘ
surface form:
King Henry III of England
Edward I of England ⓘ
surface form:
Prince Edward (later Edward I of England)
|
| parliamentaryInnovation | inclusion of knights and burgesses in Parliament ⓘ |
| politicalMovement | baronial reform movement ⓘ |
| region | England ⓘ |
| religion | Roman Catholicism ⓘ |
| role | de facto ruler of England (1264–1265) ⓘ |
| spouse |
Beatrice of England
ⓘ
surface form:
Eleanor Plantagenet
Countess of Leicester ⓘ
surface form:
Eleanor of England, Countess of Leicester
|
| supportedDocument | Provisions of Oxford ⓘ |
| titleAcquisition | obtained Earldom of Leicester through his mother’s rights ⓘ |
| victory | Battle of Lewes ⓘ |
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.
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.
Subject: Simon de Montfort, 6th Earl of Leicester Description of subject: Simon de Montfort, 6th Earl of Leicester, was a 13th-century nobleman and military leader who led the baronial opposition to King Henry III of England and played a key role in the early development of the English Parliament.
Referenced by (46)
Full triples — surface form annotated when it differs from this entity's canonical label.