Marged ferch Dafydd
E873298
Marged ferch Dafydd was a Welsh noblewoman best known as the wife of Owain Glyndŵr, the leader of the early 15th-century Welsh revolt against English rule.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Marged ferch Dafydd canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T10571069 — 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: Marged ferch Dafydd Context triple: [Owain Glyndŵr, spouse, Marged ferch Dafydd]
-
A.
Dafydd ap Gwilym
Dafydd ap Gwilym was a 14th-century Welsh poet renowned for his innovative and lyrical cywyddau and love poetry, and is often regarded as one of the greatest poets in the Welsh language.
-
B.
Dafydd
Dafydd is the Welsh form of the given name David, commonly used in Wales.
-
C.
Olwyn Hughes
Olwyn Hughes is a member of the Hughes family, related to Nicholas Hughes, the son of poets Ted Hughes and Sylvia Plath.
-
D.
Myfanwy Edwards Roberts
Myfanwy Edwards Roberts is the mother of British-Australian actress Naomi Watts.
-
E.
Dafydd ap Ieuan ap Einion
Dafydd ap Ieuan ap Einion was a Welsh Lancastrian leader best known for directing the prolonged defense of Harlech Castle during the Wars of the Roses.
- 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: Marged ferch Dafydd Target entity description: Marged ferch Dafydd was a Welsh noblewoman best known as the wife of Owain Glyndŵr, the leader of the early 15th-century Welsh revolt against English rule.
-
A.
Dafydd ap Gwilym
Dafydd ap Gwilym was a 14th-century Welsh poet renowned for his innovative and lyrical cywyddau and love poetry, and is often regarded as one of the greatest poets in the Welsh language.
-
B.
Dafydd
Dafydd is the Welsh form of the given name David, commonly used in Wales.
-
C.
Olwyn Hughes
Olwyn Hughes is a member of the Hughes family, related to Nicholas Hughes, the son of poets Ted Hughes and Sylvia Plath.
-
D.
Myfanwy Edwards Roberts
Myfanwy Edwards Roberts is the mother of British-Australian actress Naomi Watts.
-
E.
Dafydd ap Ieuan ap Einion
Dafydd ap Ieuan ap Einion was a Welsh Lancastrian leader best known for directing the prolonged defense of Harlech Castle during the Wars of the Roses.
- F. None of above. chosen
Statements (10)
| Predicate | Object |
|---|---|
| instanceOf |
Welsh noblewoman
ⓘ
human ⓘ |
| countryOfCitizenship | Wales ⓘ |
| ethnicGroup | Welsh ⓘ |
| notableFor |
being the wife of Owain Glyndŵr
ⓘ
role in early 15th-century Welsh revolt against English rule ⓘ |
| relative | Owain Glyndŵr ⓘ |
| sexOrGender | female ⓘ |
| spouse | Owain Glyndŵr ⓘ |
| timePeriod | early 15th century ⓘ |
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: Marged ferch Dafydd Description of subject: Marged ferch Dafydd was a Welsh noblewoman best known as the wife of Owain Glyndŵr, the leader of the early 15th-century Welsh revolt against English rule.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.