William Marshal, 2nd Earl of Pembroke
E413606
William Marshal, 2nd Earl of Pembroke, was a 13th-century English nobleman and magnate who inherited his famous father's titles and estates and played a role in the politics of the early reign of Henry III.
All labels observed (1)
| Label | Occurrences |
|---|---|
| William Marshal, 2nd Earl of Pembroke canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T4054586 — 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: William Marshal, 2nd Earl of Pembroke Context triple: [William Marshal, 1st Earl of Pembroke, child, William Marshal, 2nd Earl of Pembroke]
-
A.
William Marshal, 1st Earl of Pembroke
William Marshal, 1st Earl of Pembroke, was a renowned Anglo-Norman knight and statesman who served multiple English kings and became one of medieval England’s most powerful and respected magnates.
-
B.
William Marshall
William Marshall was an American actor, director, and occasional singer active in mid-20th-century film and theater.
-
C.
Ranulf de Blondeville
Ranulf de Blondeville was a powerful Anglo-Norman nobleman and military leader of the late 12th and early 13th centuries, best known as the 6th Earl of Chester and a key supporter of the English crown during the reigns of Richard I and John.
-
D.
Gilbert de Clare, Earl of Gloucester
Gilbert de Clare, Earl of Gloucester, was a powerful 13th-century English nobleman and military leader who played a pivotal role in the conflicts between the crown and the barons, particularly during the reign of Henry III and Edward I.
-
E.
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.
- 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: William Marshal, 2nd Earl of Pembroke Target entity description: William Marshal, 2nd Earl of Pembroke, was a 13th-century English nobleman and magnate who inherited his famous father's titles and estates and played a role in the politics of the early reign of Henry III.
-
A.
William Marshal, 1st Earl of Pembroke
William Marshal, 1st Earl of Pembroke, was a renowned Anglo-Norman knight and statesman who served multiple English kings and became one of medieval England’s most powerful and respected magnates.
-
B.
William Marshall
William Marshall was an American actor, director, and occasional singer active in mid-20th-century film and theater.
-
C.
Ranulf de Blondeville
Ranulf de Blondeville was a powerful Anglo-Norman nobleman and military leader of the late 12th and early 13th centuries, best known as the 6th Earl of Chester and a key supporter of the English crown during the reigns of Richard I and John.
-
D.
Gilbert de Clare, Earl of Gloucester
Gilbert de Clare, Earl of Gloucester, was a powerful 13th-century English nobleman and military leader who played a pivotal role in the conflicts between the crown and the barons, particularly during the reign of Henry III and Edward I.
-
E.
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.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
13th-century English politician
ⓘ
Earl of Pembroke ⓘ English nobleman ⓘ medieval magnate ⓘ |
| allegiance |
Henry III of England
ⓘ
Kingdom of England ⓘ |
| centuryOfActivity | 13th century ⓘ |
| countryOfCitizenship | Kingdom of England ⓘ |
| dateOfDeath | 1231 ⓘ |
| deathCause | illness (probable, unspecified) ⓘ |
| familyName | Marshal ⓘ |
| father | William Marshal, 1st Earl of Pembroke NERFINISHED ⓘ |
| givenName | William ⓘ |
| languageOfUse |
Anglo-Norman
ⓘ
surface form:
Anglo-Norman French
Latin ⓘ |
| memberOf |
Anglo-Normans
ⓘ
surface form:
Anglo-Norman nobility
House of Marshal ⓘ |
| mother | Isabel de Clare, 4th Countess of Pembroke ⓘ |
| nobleRank | earl ⓘ |
| nobleTitle | 2nd Earl of Pembroke ⓘ |
| notableFor |
inheritance of the Marshal estates and titles
ⓘ
role in the minority government of Henry III of England ⓘ |
| notableRelative |
Henry III of England
ⓘ
King John of England ⓘ |
| participatedIn | politics of the early reign of Henry III of England ⓘ |
| positionHeld |
Earl of Pembroke
ONNED1
ⓘ
Lord of Leinster ⓘ Lord of Longueville ⓘ Lord of Striguil ⓘ Marshal of England ⓘ |
| predecessorAsEarlOfPembroke | William Marshal, 1st Earl of Pembroke NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| sibling |
Anselm Marshal, 6th Earl of Pembroke
NERFINISHED
ⓘ
Gilbert Marshal, 4th Earl of Pembroke NERFINISHED ⓘ Richard Marshal, 3rd Earl of Pembroke NERFINISHED ⓘ Walter Marshal, 5th Earl of Pembroke NERFINISHED ⓘ |
| socialClass | high nobility ⓘ |
| spouse |
Eleanor of Leicester
ⓘ
surface form:
Eleanor of England, Countess of Leicester
Eleanor of Leicester ⓘ |
| successorAsEarlOfPembroke | Richard Marshal, 3rd Earl of Pembroke NERFINISHED ⓘ |
| territorialLordship |
Leinster
ⓘ
Longueville ⓘ Pembroke ⓘ Striguil ⓘ |
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: William Marshal, 2nd Earl of Pembroke Description of subject: William Marshal, 2nd Earl of Pembroke, was a 13th-century English nobleman and magnate who inherited his famous father's titles and estates and played a role in the politics of the early reign of Henry III.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Eleanor of England, Countess of Leicester
subject surface form:
Marshal family