Gruffudd ap Llywelyn Fawr
E888454
Gruffudd ap Llywelyn Fawr was a 13th-century Welsh prince of Gwynedd and rival claimant to power in Wales as the elder, illegitimate son of Llywelyn the Great.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Gruffudd ap Llywelyn Fawr canonical | 2 |
| Gruffudd ap Llywelyn | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10729387 — 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: Gruffudd ap Llywelyn Fawr Context triple: [Llywelyn ap Gruffudd, father, Gruffudd ap Llywelyn Fawr]
-
A.
Gruffudd ap Llywelyn
Gruffudd ap Llywelyn was an 11th-century Welsh king who, uniquely, succeeded in uniting much of Wales under his rule before being overthrown and killed in 1063.
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B.
Llywelyn ap Gruffudd
Llywelyn ap Gruffudd was the 13th-century Prince of Wales and the last native ruler to unite much of Wales before its conquest by England.
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C.
Llywelyn the Great
Llywelyn the Great was a 13th-century Prince of Gwynedd who became the most powerful Welsh ruler of his time, effectively uniting much of Wales under his leadership.
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D.
Owain Gwynedd
Owain Gwynedd was a 12th-century Prince of Gwynedd and one of the most powerful and successful native Welsh rulers, known for resisting Anglo-Norman encroachment and consolidating Welsh independence.
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E.
Dafydd II of Gwynedd
Dafydd II of Gwynedd was a 13th-century Prince of Wales and ruler of the Kingdom of Gwynedd, known for his resistance to English conquest under King Edward I.
- 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: Gruffudd ap Llywelyn Fawr Target entity description: Gruffudd ap Llywelyn Fawr was a 13th-century Welsh prince of Gwynedd and rival claimant to power in Wales as the elder, illegitimate son of Llywelyn the Great.
-
A.
Gruffudd ap Llywelyn
Gruffudd ap Llywelyn was an 11th-century Welsh king who, uniquely, succeeded in uniting much of Wales under his rule before being overthrown and killed in 1063.
-
B.
Llywelyn ap Gruffudd
Llywelyn ap Gruffudd was the 13th-century Prince of Wales and the last native ruler to unite much of Wales before its conquest by England.
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C.
Llywelyn the Great
Llywelyn the Great was a 13th-century Prince of Gwynedd who became the most powerful Welsh ruler of his time, effectively uniting much of Wales under his leadership.
-
D.
Owain Gwynedd
Owain Gwynedd was a 12th-century Prince of Gwynedd and one of the most powerful and successful native Welsh rulers, known for resisting Anglo-Norman encroachment and consolidating Welsh independence.
-
E.
Dafydd II of Gwynedd
Dafydd II of Gwynedd was a 13th-century Prince of Wales and ruler of the Kingdom of Gwynedd, known for his resistance to English conquest under King Edward I.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
13th-century Welsh person
ⓘ
Welsh prince ⓘ medieval noble ⓘ |
| burialPlace | London NERFINISHED ⓘ |
| causeOfDeath | fall while attempting to escape from the Tower of London ⓘ |
| child |
Dafydd ap Gruffudd
NERFINISHED
ⓘ
Llywelyn ap Gruffudd NERFINISHED ⓘ Owain Goch ap Gruffudd NERFINISHED ⓘ Rhoddedd ferch Gruffudd NERFINISHED ⓘ |
| conflict | dynastic struggle for control of Gwynedd ⓘ |
| countryOfCitizenship | Wales NERFINISHED ⓘ |
| dateOfBirth | circa 1198 ⓘ |
| dateOfDeath | 1 March 1244 ⓘ |
| detainedBy | King Henry III of England NERFINISHED ⓘ |
| era | High Middle Ages ⓘ |
| ethnicGroup | Welsh ⓘ |
| father | Llywelyn the Great NERFINISHED ⓘ |
| fullName | Gruffudd ap Llywelyn Fawr NERFINISHED ⓘ |
| givenName | Gruffudd NERFINISHED ⓘ |
| illegitimateChildOf | Llywelyn the Great NERFINISHED ⓘ |
| languageOfWorkOrName | Welsh ⓘ |
| mannerOfDeath | accidental death ⓘ |
| mother | Tangwystl ferch Llywarch NERFINISHED ⓘ |
| nativeLanguage | Welsh ⓘ |
| nobleFamily | House of Aberffraw NERFINISHED ⓘ |
| notableFor |
being elder but illegitimate son of Llywelyn the Great
ⓘ
imprisonment and death in the Tower of London ⓘ |
| patronymicName | ap Llywelyn Fawr NERFINISHED ⓘ |
| placeOfBirth | Gwynedd NERFINISHED ⓘ |
| placeOfDeath | Tower of London NERFINISHED ⓘ |
| placeOfDetention | Tower of London NERFINISHED ⓘ |
| positionHeld | Prince of Gwynedd NERFINISHED ⓘ |
| relative | Dafydd ap Llywelyn NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| residence | Gwynedd NERFINISHED ⓘ |
| rival | Dafydd ap Llywelyn NERFINISHED ⓘ |
| rivalClaimantTo |
leadership in Wales
ⓘ
rule of Gwynedd ⓘ |
| sexOrGender | male ⓘ |
| sibling | Dafydd ap Llywelyn NERFINISHED ⓘ |
| spouse | Senana ferch Caradog NERFINISHED ⓘ |
| title | Prince of Gwynedd 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: Gruffudd ap Llywelyn Fawr Description of subject: Gruffudd ap Llywelyn Fawr was a 13th-century Welsh prince of Gwynedd and rival claimant to power in Wales as the elder, illegitimate son of Llywelyn the Great.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Gruffudd ap Llywelyn