John Mowbray, 2nd Duke of Norfolk
E443217
John Mowbray, 2nd Duke of Norfolk was a prominent 15th-century English nobleman and military leader from the powerful Mowbray family who played a significant role in the politics of late medieval England.
All labels observed (2)
| Label | Occurrences |
|---|---|
| John Mowbray, 2nd Duke of Norfolk canonical | 1 |
| John Mowbray, 3rd Duke of Norfolk | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4152361 — 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: John Mowbray, 2nd Duke of Norfolk Context triple: [Marshal of England, positionHeldBy, John Mowbray, 2nd Duke of Norfolk]
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A.
Thomas Mowbray, 1st Duke of Norfolk
Thomas Mowbray, 1st Duke of Norfolk, was a prominent English nobleman and military leader of the late 14th century, notable for his role in the politics of Richard II’s reign and his depiction in Shakespeare’s play "Richard II."
-
B.
John Howard, 1st Duke of Norfolk
John Howard, 1st Duke of Norfolk, was a prominent 15th-century English nobleman, soldier, and staunch supporter of King Richard III who became the first Howard to hold the dukedom of Norfolk.
-
C.
Duke of Norfolk
The Duke of Norfolk is the premier duke in the peerage of England, traditionally serving as Earl Marshal and holding chief responsibility for state ceremonial occasions.
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D.
Henry Howard, 6th Duke of Norfolk
Henry Howard, 6th Duke of Norfolk, was a prominent 17th-century English nobleman and politician who served as Earl Marshal and played a key role in the restoration of his family’s titles and estates after the English Civil War.
-
E.
Thomas of Brotherton, 1st Earl of Norfolk
Thomas of Brotherton, 1st Earl of Norfolk, was a younger son of King Edward I of England who became a prominent nobleman and ancestor of later English royal lines in the early 14th century.
- 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: John Mowbray, 2nd Duke of Norfolk Target entity description: John Mowbray, 2nd Duke of Norfolk was a prominent 15th-century English nobleman and military leader from the powerful Mowbray family who played a significant role in the politics of late medieval England.
-
A.
Thomas Mowbray, 1st Duke of Norfolk
Thomas Mowbray, 1st Duke of Norfolk, was a prominent English nobleman and military leader of the late 14th century, notable for his role in the politics of Richard II’s reign and his depiction in Shakespeare’s play "Richard II."
-
B.
John Howard, 1st Duke of Norfolk
John Howard, 1st Duke of Norfolk, was a prominent 15th-century English nobleman, soldier, and staunch supporter of King Richard III who became the first Howard to hold the dukedom of Norfolk.
-
C.
Duke of Norfolk
The Duke of Norfolk is the premier duke in the peerage of England, traditionally serving as Earl Marshal and holding chief responsibility for state ceremonial occasions.
-
D.
Henry Howard, 6th Duke of Norfolk
Henry Howard, 6th Duke of Norfolk, was a prominent 17th-century English nobleman and politician who served as Earl Marshal and played a key role in the restoration of his family’s titles and estates after the English Civil War.
-
E.
Thomas of Brotherton, 1st Earl of Norfolk
Thomas of Brotherton, 1st Earl of Norfolk, was a younger son of King Edward I of England who became a prominent nobleman and ancestor of later English royal lines in the early 14th century.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
15th-century English person
ⓘ
English nobleman ⓘ duke ⓘ military leader ⓘ |
| aristocraticFamily | Mowbray family NERFINISHED ⓘ |
| aristocraticStatus | high nobility ⓘ |
| centuryActive | 15th century ⓘ |
| country | Kingdom of England ⓘ |
| familyName | Mowbray NERFINISHED ⓘ |
| fullName | John Mowbray NERFINISHED ⓘ |
| gender | male ⓘ |
| governedIn | Kingdom of England NERFINISHED ⓘ |
| historicalEra | late medieval England ⓘ |
| historicalPeriod | late Middle Ages ⓘ |
| language | Middle English ⓘ |
| memberOf | Mowbray family NERFINISHED ⓘ |
| militaryAffiliation | English forces ⓘ |
| nobleHouse | House of Mowbray NERFINISHED ⓘ |
| nobleRank | peer of England ⓘ |
| nobleTitle | Duke of Norfolk NERFINISHED ⓘ |
| notableFor |
military leadership
ⓘ
role in 15th-century English politics ⓘ |
| occupation |
military commander
ⓘ
nobleman ⓘ |
| ordinal | 2nd Duke of Norfolk NERFINISHED ⓘ |
| politicalRole | late medieval English politics ⓘ |
| politicalSphere | English nobility ⓘ |
| powerBase | English aristocracy ⓘ |
| region | England ⓘ |
| socialClass | aristocracy ⓘ |
| timeInHistory | late medieval period ⓘ |
| titleHolderOf | Dukedom of Norfolk 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: John Mowbray, 2nd Duke of Norfolk Description of subject: John Mowbray, 2nd Duke of Norfolk was a prominent 15th-century English nobleman and military leader from the powerful Mowbray family who played a significant role in the politics of late medieval England.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
John Mowbray, 3rd Duke of Norfolk