Owain ap Gruffydd
E879870
Owain ap Gruffydd, better known as Owain Glyndŵr, was the medieval Welsh leader who led a major uprising against English rule and is celebrated as a national hero of Wales.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Owain Glyndŵr | 2 |
| Owain ap Gruffudd | 1 |
| Owain ap Gruffydd canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10571056 — 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: Owain ap Gruffydd Context triple: [Owain Glyndŵr, name, Owain ap Gruffydd]
-
A.
Elis Gruffydd
Elis Gruffydd was a 16th-century Welsh soldier and chronicler best known for his extensive world chronicle written in the Welsh language.
-
B.
Owain ap Hywel
Owain ap Hywel was a 10th-century Welsh prince and ruler, one of the sons of Hywel Dda who inherited and governed parts of his father's Welsh kingdom after his death.
-
C.
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.
-
D.
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.
-
E.
Rhodri Morgan
Rhodri Morgan was a Welsh Labour politician who led the Welsh Government in its early years of devolution and helped shape the modern political landscape of Wales.
- 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: Owain ap Gruffydd Target entity description: Owain ap Gruffydd, better known as Owain Glyndŵr, was the medieval Welsh leader who led a major uprising against English rule and is celebrated as a national hero of Wales.
-
A.
Elis Gruffydd
Elis Gruffydd was a 16th-century Welsh soldier and chronicler best known for his extensive world chronicle written in the Welsh language.
-
B.
Owain ap Hywel
Owain ap Hywel was a 10th-century Welsh prince and ruler, one of the sons of Hywel Dda who inherited and governed parts of his father's Welsh kingdom after his death.
-
C.
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.
-
D.
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.
-
E.
Rhodri Morgan
Rhodri Morgan was a Welsh Labour politician who led the Welsh Government in its early years of devolution and helped shape the modern political landscape of Wales.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Welsh prince
ⓘ
human ⓘ national hero ⓘ rebel leader ⓘ |
| alsoKnownAs |
Owain Glyn Dŵr
NERFINISHED
ⓘ
Owain Glyndŵr NERFINISHED ⓘ Owen Glendower NERFINISHED ⓘ |
| birthDate | circa 1354 ⓘ |
| birthPlace |
Glyndyfrdwy
NERFINISHED
ⓘ
Kingdom of Powys Fadog NERFINISHED ⓘ |
| commemoratedBy |
Owain Glyndŵr Day
NERFINISHED
ⓘ
statues and memorials across Wales ⓘ |
| conflict |
Hundred Years' War
NERFINISHED
ⓘ
Welsh Revolt NERFINISHED ⓘ |
| countryOfCitizenship | Wales NERFINISHED ⓘ |
| deathDate | circa 1415 ⓘ |
| deathPlace | Kingdom of England NERFINISHED ⓘ |
| depictedIn | William Shakespeare's play "Henry IV, Part 1" NERFINISHED ⓘ |
| ethnicGroup | Welsh ⓘ |
| father | Gruffydd Fychan II NERFINISHED ⓘ |
| hasPart | Welsh parliament at Machynlleth NERFINISHED ⓘ |
| inspiredBy | Welsh laws of Hywel Dda NERFINISHED ⓘ |
| knownFor |
being the last native Welshman to hold the title Prince of Wales
ⓘ
leading a major uprising against English rule in Wales ⓘ |
| languageSpoken |
Middle English
NERFINISHED
ⓘ
Welsh ⓘ |
| legacy |
subject of numerous Welsh legends and literature
ⓘ
symbol of Welsh nationalism ⓘ |
| militaryBranch | Welsh forces NERFINISHED ⓘ |
| militaryRank | general ⓘ |
| mother | Elen ferch Tomas ap Llywelyn NERFINISHED ⓘ |
| movement | Welsh independence movement NERFINISHED ⓘ |
| nobleFamily | House of Powys Fadog NERFINISHED ⓘ |
| notableWork | Welsh Revolt of 1400–1415 NERFINISHED ⓘ |
| opponent |
Henry IV of England
NERFINISHED
ⓘ
Henry V of England NERFINISHED ⓘ |
| positionHeld |
Lord of Cynllaith Owain
NERFINISHED
ⓘ
Lord of Glyndyfrdwy NERFINISHED ⓘ Prince of Wales NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| residence |
Glyndyfrdwy
NERFINISHED
ⓘ
Sycharth NERFINISHED ⓘ |
| significantEvent |
alliance with France against England
ⓘ
capture of several English-held castles in Wales ⓘ proclaimed Prince of Wales in 1400 ⓘ |
| spouse | Marged ferch Dafydd NERFINISHED ⓘ |
| startTime | c. 1354 ⓘ |
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: Owain ap Gruffydd Description of subject: Owain ap Gruffydd, better known as Owain Glyndŵr, was the medieval Welsh leader who led a major uprising against English rule and is celebrated as a national hero of Wales.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Owain Glyndŵr
this entity surface form:
Owain Glyndŵr
this entity surface form:
Owain ap Gruffudd