Edmund, 2nd Earl of Cornwall
E183964
Edmund, 2nd Earl of Cornwall was a 13th-century English nobleman and influential landowner who served under King Edward I and was known for his wealth, piety, and patronage of religious institutions.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Edmund, 2nd Earl of Cornwall canonical | 4 |
| Edmund of Cornwall | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1616054 — 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, 2nd Earl of Cornwall Context triple: [Richard, 1st Earl of Cornwall, child, Edmund, 2nd Earl of Cornwall]
-
A.
Edmund of Abingdon
Edmund of Abingdon was a 13th-century English scholar, theologian, and Archbishop of Canterbury who was later canonized as a saint in the Catholic Church.
-
B.
Richard, 1st Earl of Cornwall
Richard, 1st Earl of Cornwall was a 13th-century English prince, wealthy magnate, and elected King of the Romans who played a significant role in European politics during the reigns of his brother Henry III and beyond.
-
C.
John of Eltham, Earl of Cornwall
John of Eltham, Earl of Cornwall, was a 14th-century English prince, the second son of King Edward II and Isabella of France, who played a notable military role in the early stages of the Hundred Years’ War before his early death.
-
D.
Alphonso, Earl of Chester
Alphonso, Earl of Chester was a 13th-century English prince, the second son and heir apparent of King Edward I and Eleanor of Castile, whose early death altered the line of succession to the English throne.
-
E.
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.
- 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, 2nd Earl of Cornwall Target entity description: Edmund, 2nd Earl of Cornwall was a 13th-century English nobleman and influential landowner who served under King Edward I and was known for his wealth, piety, and patronage of religious institutions.
-
A.
Edmund of Abingdon
Edmund of Abingdon was a 13th-century English scholar, theologian, and Archbishop of Canterbury who was later canonized as a saint in the Catholic Church.
-
B.
Richard, 1st Earl of Cornwall
Richard, 1st Earl of Cornwall was a 13th-century English prince, wealthy magnate, and elected King of the Romans who played a significant role in European politics during the reigns of his brother Henry III and beyond.
-
C.
John of Eltham, Earl of Cornwall
John of Eltham, Earl of Cornwall, was a 14th-century English prince, the second son of King Edward II and Isabella of France, who played a notable military role in the early stages of the Hundred Years’ War before his early death.
-
D.
Alphonso, Earl of Chester
Alphonso, Earl of Chester was a 13th-century English prince, the second son and heir apparent of King Edward I and Eleanor of Castile, whose early death altered the line of succession to the English throne.
-
E.
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.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Earl
ⓘ
English nobleman ⓘ medieval noble ⓘ |
| activity |
endowing religious houses
ⓘ
supporting monastic communities ⓘ |
| allegiance |
Kingdom of England
ⓘ
surface form:
English Crown
|
| associatedWith | English royal court ⓘ |
| century | 13th century ⓘ |
| citizenship | English ⓘ |
| country | Kingdom of England ⓘ |
| givenName | Edmund ⓘ |
| governedRegion | Cornwall ⓘ |
| heldRank | peer of the realm ⓘ |
| historicalPeriod | High Middle Ages ⓘ |
| knownFor |
great wealth
ⓘ
patronage of religious institutions ⓘ piety ⓘ |
| language |
Anglo-Norman French
ⓘ
Middle English ⓘ |
| nobleTitle | Earl of Cornwall ⓘ |
| notableTrait |
influential landowner
ⓘ
powerful magnate in western England ⓘ |
| occupation | landowner ⓘ |
| ordinal |
Earl of Cornwall
ⓘ
surface form:
2nd Earl of Cornwall
|
| patronOf | religious institutions in England ⓘ |
| realm |
House of Plantagenet
ⓘ
surface form:
Plantagenet England
|
| religion | Roman Catholicism ⓘ |
| servedUnder |
Edward I of England
ⓘ
surface form:
King Edward I of England
|
| socialClass | nobility ⓘ |
| titleHolderOf | Earldom of Cornwall ⓘ |
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: Edmund, 2nd Earl of Cornwall Description of subject: Edmund, 2nd Earl of Cornwall was a 13th-century English nobleman and influential landowner who served under King Edward I and was known for his wealth, piety, and patronage of religious institutions.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Edmund of Cornwall