Cadfan Stone
E864728
The Cadfan Stone is an early medieval inscribed stone in Tywyn, Wales, notable for bearing some of the oldest known written examples of the Welsh language.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cadfan Stone canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10474647 — 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: Cadfan Stone Context triple: [St Cadfan's Church, knownFor, Cadfan Stone]
-
A.
Bryn Celli Ddu
Bryn Celli Ddu is a Neolithic passage tomb and ceremonial monument on the island of Anglesey in Wales, noted for its prehistoric burial chamber and alignment with the summer solstice sunrise.
-
B.
Gorsedd stone circle
Gorsedd stone circle is a ceremonial stone circle in Cardiff associated with the Gorsedd of Bards and the National Eisteddfod of Wales.
-
C.
Bleaklow Stones
Bleaklow Stones are a distinctive group of weather-eroded gritstone rock formations located on the Bleaklow moorland plateau in the Peak District, England.
-
D.
Clackmannan Stone
The Clackmannan Stone is an ancient standing stone in Clackmannan, Scotland, traditionally associated with early Scottish kings and local legend.
-
E.
Westmorland Cairn
Westmorland Cairn is a famous summit cairn on Great Gable in the Lake District, renowned for its panoramic views over Wastwater and the surrounding fells.
- 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: Cadfan Stone Target entity description: The Cadfan Stone is an early medieval inscribed stone in Tywyn, Wales, notable for bearing some of the oldest known written examples of the Welsh language.
-
A.
Bryn Celli Ddu
Bryn Celli Ddu is a Neolithic passage tomb and ceremonial monument on the island of Anglesey in Wales, noted for its prehistoric burial chamber and alignment with the summer solstice sunrise.
-
B.
Gorsedd stone circle
Gorsedd stone circle is a ceremonial stone circle in Cardiff associated with the Gorsedd of Bards and the National Eisteddfod of Wales.
-
C.
Bleaklow Stones
Bleaklow Stones are a distinctive group of weather-eroded gritstone rock formations located on the Bleaklow moorland plateau in the Peak District, England.
-
D.
Clackmannan Stone
The Clackmannan Stone is an ancient standing stone in Clackmannan, Scotland, traditionally associated with early Scottish kings and local legend.
-
E.
Westmorland Cairn
Westmorland Cairn is a famous summit cairn on Great Gable in the Lake District, renowned for its panoramic views over Wastwater and the surrounding fells.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
early medieval monument
ⓘ
inscribed stone ⓘ |
| approximateDate |
7th century
ⓘ
8th century ⓘ |
| associatedLanguageStage | Primitive Welsh ⓘ |
| associatedWith |
Tywyn monastery
NERFINISHED
ⓘ
early Welsh Christianity ⓘ |
| associatedWithPerson | Saint Cadfan of Brittany NERFINISHED ⓘ |
| category |
Early Christian monument in Wales
ⓘ
Medieval epigraphy ⓘ Welsh-language inscription ⓘ |
| chronologicalSignificance | among the earliest dated Welsh inscriptions ⓘ |
| country | United Kingdom ⓘ |
| culture | Welsh ⓘ |
| currentStatus | preserved in situ ⓘ |
| dedicatedTo | Saint Cadfan NERFINISHED ⓘ |
| era | early Middle Ages ⓘ |
| foundIn | Tywyn NERFINISHED ⓘ |
| function | grave marker ⓘ |
| hasInscription | bilingual inscription ⓘ |
| hasLanguage |
Latin
NERFINISHED
ⓘ
Old Welsh NERFINISHED ⓘ |
| hasNameInWelsh | Carreg Cadfan NERFINISHED ⓘ |
| hasSubject | commemoration of religious figures ⓘ |
| heritageDesignation |
Grade I listed structure
ⓘ
Scheduled monument ⓘ |
| inscriptionContentType |
personal names
ⓘ
religious formulae ⓘ |
| inscriptionMedium | carved ⓘ |
| inscriptionType | funerary inscription ⓘ |
| locatedIn |
Gwynedd
NERFINISHED
ⓘ
Tywyn NERFINISHED ⓘ Wales ⓘ |
| locatedInBuilding | St Cadfan's Church, Tywyn NERFINISHED ⓘ |
| material | stone ⓘ |
| near | Cardigan Bay NERFINISHED ⓘ |
| notableFor | bearing some of the oldest known written examples of the Welsh language ⓘ |
| orientation | upright stone pillar ⓘ |
| region | northwest Wales NERFINISHED ⓘ |
| religiousContext | Christian ⓘ |
| religiousDenominationContext | Church in Wales NERFINISHED ⓘ |
| script | insular script ⓘ |
| significance |
evidence for early development of the Welsh language
ⓘ
important source for early medieval Welsh onomastics ⓘ |
| studiedInDiscipline |
Celtic studies
ⓘ
epigraphy ⓘ historical linguistics ⓘ |
| writingSystem | Latin alphabet ⓘ |
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: Cadfan Stone Description of subject: The Cadfan Stone is an early medieval inscribed stone in Tywyn, Wales, notable for bearing some of the oldest known written examples of the Welsh language.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.