Mathgamain mac Cennétig
E788646
Mathgamain mac Cennétig was a 10th-century Irish king of Munster and elder brother of Brian Boru, known for his role in the rise of the Dál gCais dynasty.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mathgamain mac Cennétig canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9272752 — 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: Mathgamain mac Cennétig Context triple: [Dál gCais, notableMember, Mathgamain mac Cennétig]
-
A.
Carn a’ Ghaill
Carn a’ Ghaill is the summit that forms the highest point on the Scottish island of Canna in the Inner Hebrides.
-
B.
The Giant of Kilkenny
The Giant of Kilkenny is a character from Irish-themed storytelling, typically portrayed as an outsized, folkloric figure associated with the town of Kilkenny.
-
C.
Dub mac Maíl Coluim
Dub mac Maíl Coluim, known in English as Dub of Scotland, was a 10th-century King of Alba whose turbulent reign was marked by internal conflict and later legendary associations with darkness and misfortune.
-
D.
Dominus Hiberniae
Dominus Hiberniae was the medieval Latin title used by English monarchs to denote their lordship over Ireland before it was elevated to a full kingdom.
-
E.
Deas Gu Cath
Deas Gu Cath is the Gaelic battle cry meaning “ready for the fray,” famously used as the motto of a Canadian Scottish regiment.
- 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: Mathgamain mac Cennétig Target entity description: Mathgamain mac Cennétig was a 10th-century Irish king of Munster and elder brother of Brian Boru, known for his role in the rise of the Dál gCais dynasty.
-
A.
Carn a’ Ghaill
Carn a’ Ghaill is the summit that forms the highest point on the Scottish island of Canna in the Inner Hebrides.
-
B.
The Giant of Kilkenny
The Giant of Kilkenny is a character from Irish-themed storytelling, typically portrayed as an outsized, folkloric figure associated with the town of Kilkenny.
-
C.
Dub mac Maíl Coluim
Dub mac Maíl Coluim, known in English as Dub of Scotland, was a 10th-century King of Alba whose turbulent reign was marked by internal conflict and later legendary associations with darkness and misfortune.
-
D.
Dominus Hiberniae
Dominus Hiberniae was the medieval Latin title used by English monarchs to denote their lordship over Ireland before it was elevated to a full kingdom.
-
E.
Deas Gu Cath
Deas Gu Cath is the Gaelic battle cry meaning “ready for the fray,” famously used as the motto of a Canadian Scottish regiment.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
King of Munster
ⓘ
medieval Irish king ⓘ member of the Dál gCais ⓘ |
| associatedDynastyRise | rise of Brian Boru as High King of Ireland GENERATED ⓘ |
| associatedWithPlace |
Limerick
NERFINISHED
ⓘ
Thomond NERFINISHED ⓘ |
| brother | Brian Boru NERFINISHED ⓘ |
| capturedBy | Donnubán mac Cathail NERFINISHED ⓘ |
| causeOfDeath | execution ⓘ |
| centuryOfActivity | 10th century ⓘ |
| conflict |
conflicts with the Eóganachta
ⓘ
wars against Norse rulers of Limerick ⓘ |
| country | Ireland NERFINISHED ⓘ |
| dateOfDeath | 976 ⓘ |
| deathPlace | Boruimhe (near modern Killaloe, County Clare) NERFINISHED ⓘ |
| dynasty | Dál gCais NERFINISHED ⓘ |
| ethnicity | Irish ⓘ |
| father | Cennétig mac Lorcáin NERFINISHED ⓘ |
| governedFrom | Cashel NERFINISHED ⓘ |
| historicalSource |
Annals of Inisfallen
NERFINISHED
ⓘ
Annals of the Four Masters NERFINISHED ⓘ Cogad Gáedel re Gallaib NERFINISHED ⓘ |
| killedBy | Máel Muad mac Brain NERFINISHED ⓘ |
| language | Old Irish ⓘ |
| mother | Bébinn ingen Urchadh NERFINISHED ⓘ |
| nobleFamily | Dál gCais NERFINISHED ⓘ |
| notableFor |
being elder brother of Brian Boru
ⓘ
role in the rise of the Dál gCais dynasty ⓘ |
| positionHeld |
King of Cashel
NERFINISHED
ⓘ
King of Munster NERFINISHED ⓘ |
| predecessor | Máel Muad mac Brain NERFINISHED ⓘ |
| realm | Munster NERFINISHED ⓘ |
| regionRuled | Munster NERFINISHED ⓘ |
| religion | Christianity ⓘ |
| sibling | Brian Boru NERFINISHED ⓘ |
| successor | Brian Boru NERFINISHED ⓘ |
| title |
King of Cashel
NERFINISHED
ⓘ
King of Munster NERFINISHED ⓘ |
| tribalAffiliation | Uí Thairdelbaig branch of Dál gCais 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: Mathgamain mac Cennétig Description of subject: Mathgamain mac Cennétig was a 10th-century Irish king of Munster and elder brother of Brian Boru, known for his role in the rise of the Dál gCais dynasty.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.