John Grey of Groby
E497029
John Grey of Groby was an English Lancastrian knight and nobleman whose death in battle left his widow, Elizabeth Woodville, free to marry King Edward IV, dramatically altering the course of the Wars of the Roses.
All labels observed (1)
| Label | Occurrences |
|---|---|
| John Grey of Groby canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5151805 — 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 Grey of Groby Context triple: [Elizabeth Woodville, spouse, John Grey of Groby]
-
A.
Edward Bury
Edward Bury was a 19th-century English locomotive engineer known for designing and supplying early steam engines for pioneering railways, including the Liverpool and Manchester Railway.
-
B.
William Wales
William Wales was an 18th-century British astronomer and mathematician known for his work on longitude and his participation in James Cook’s voyages of exploration.
-
C.
Will Farnaby
Will Farnaby is the cynical journalist and publicist who serves as the central viewpoint character in Aldous Huxley’s utopian novel "Island."
-
D.
Edwin Craye
Edwin Craye is a fictional character from P. G. Wodehouse’s Jeeves and Wooster universe, appearing in the novel "Joy in the Morning."
-
E.
Owen Ruffhead
Owen Ruffhead was an 18th-century English legal writer and editor best known for compiling and editing important collections of British statutes.
- 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 Grey of Groby Target entity description: John Grey of Groby was an English Lancastrian knight and nobleman whose death in battle left his widow, Elizabeth Woodville, free to marry King Edward IV, dramatically altering the course of the Wars of the Roses.
-
A.
Edward Bury
Edward Bury was a 19th-century English locomotive engineer known for designing and supplying early steam engines for pioneering railways, including the Liverpool and Manchester Railway.
-
B.
William Wales
William Wales was an 18th-century British astronomer and mathematician known for his work on longitude and his participation in James Cook’s voyages of exploration.
-
C.
Will Farnaby
Will Farnaby is the cynical journalist and publicist who serves as the central viewpoint character in Aldous Huxley’s utopian novel "Island."
-
D.
Edwin Craye
Edwin Craye is a fictional character from P. G. Wodehouse’s Jeeves and Wooster universe, appearing in the novel "Joy in the Morning."
-
E.
Owen Ruffhead
Owen Ruffhead was an 18th-century English legal writer and editor best known for compiling and editing important collections of British statutes.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
English nobleman
ⓘ
Lancastrian ⓘ knight ⓘ |
| allegiance | House of Lancaster NERFINISHED ⓘ |
| associatedWithEvent | marriage of Elizabeth Woodville to Edward IV ⓘ |
| country | Kingdom of England ⓘ |
| deathCause | combat injuries ⓘ |
| deathDate | 17 February 1461 ⓘ |
| deathPlace | St Albans, Hertfordshire, England NERFINISHED ⓘ |
| diedIn | Second Battle of St Albans NERFINISHED ⓘ |
| era | 15th century ⓘ |
| father | John Grey of Groby NERFINISHED ⓘ |
| fatherOf |
Richard Grey
NERFINISHED
ⓘ
Thomas Grey, 1st Marquess of Dorset NERFINISHED ⓘ |
| historicalSignificance |
first husband of Elizabeth Woodville
ⓘ
his death enabled Elizabeth Woodville to marry King Edward IV ⓘ |
| impactOn | course of the Wars of the Roses ⓘ |
| mannerOfDeath | killed in battle ⓘ |
| motherOfChildren | Elizabeth Woodville NERFINISHED ⓘ |
| nobleFamily | Grey family NERFINISHED ⓘ |
| notableBattle | Second Battle of St Albans NERFINISHED ⓘ |
| participatedIn | Wars of the Roses NERFINISHED ⓘ |
| politicalContext | Wars of the Roses NERFINISHED ⓘ |
| rank | knight ⓘ |
| sideInConflict | Lancastrian faction ⓘ |
| socialStatus | nobleman ⓘ |
| spouse |
Elizabeth Woodville
NERFINISHED
ⓘ
John Grey of Groby NERFINISHED ⓘ |
| subsequentSpouse | Edward IV of England NERFINISHED ⓘ |
| title | Lord of Groby 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 Grey of Groby Description of subject: John Grey of Groby was an English Lancastrian knight and nobleman whose death in battle left his widow, Elizabeth Woodville, free to marry King Edward IV, dramatically altering the course of the Wars of the Roses.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.