Donnchad mac Briain
E1000671
Donnchad mac Briain was an 11th-century Irish king of Munster and son of the High King Brian Boru, noted for his long and often turbulent reign in the aftermath of the Battle of Clontarf.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Donnchad mac Briain canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12424207 — 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: Donnchad mac Briain Context triple: [Brian Boru, child, Donnchad mac Briain]
-
A.
Murchad mac Briain
Murchad mac Briain was an 11th-century Irish prince and military leader, best known for fighting alongside his father Brian Boru at the Battle of Clontarf in 1014.
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B.
Muirchertach Ua Briain
Muirchertach Ua Briain was a powerful 12th-century Irish king of Munster and claimant to the high kingship of Ireland, renowned for his military campaigns and political influence.
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C.
Domnall Mór Ua Briain
Domnall Mór Ua Briain was a 12th-century King of Thomond and powerful Irish ruler from the O'Brien dynasty, noted for his resistance to Anglo-Norman expansion in Ireland.
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D.
Toirdelbach Ua Briain
Toirdelbach Ua Briain was an 11th-century Irish king of Munster and a powerful descendant of Brian Boru who played a central role in the struggle for the high-kingship of Ireland.
-
E.
Giric mac Dúngail
Giric mac Dúngail was a 9th-century king of the Picts or early Scots, remembered as a shadowy and controversial ruler whose reign is associated with ecclesiastical reforms and possible joint kingship with Eochaid.
- 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: Donnchad mac Briain Target entity description: Donnchad mac Briain was an 11th-century Irish king of Munster and son of the High King Brian Boru, noted for his long and often turbulent reign in the aftermath of the Battle of Clontarf.
-
A.
Murchad mac Briain
Murchad mac Briain was an 11th-century Irish prince and military leader, best known for fighting alongside his father Brian Boru at the Battle of Clontarf in 1014.
-
B.
Muirchertach Ua Briain
Muirchertach Ua Briain was a powerful 12th-century Irish king of Munster and claimant to the high kingship of Ireland, renowned for his military campaigns and political influence.
-
C.
Domnall Mór Ua Briain
Domnall Mór Ua Briain was a 12th-century King of Thomond and powerful Irish ruler from the O'Brien dynasty, noted for his resistance to Anglo-Norman expansion in Ireland.
-
D.
Toirdelbach Ua Briain
Toirdelbach Ua Briain was an 11th-century Irish king of Munster and a powerful descendant of Brian Boru who played a central role in the struggle for the high-kingship of Ireland.
-
E.
Giric mac Dúngail
Giric mac Dúngail was a 9th-century king of the Picts or early Scots, remembered as a shadowy and controversial ruler whose reign is associated with ecclesiastical reforms and possible joint kingship with Eochaid.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
11th-century Irish person
ⓘ
Gaelic ruler ⓘ King of Munster ⓘ medieval Irish king ⓘ |
| associatedWith |
High Kingship of Ireland
NERFINISHED
ⓘ
O'Brien dynasty NERFINISHED ⓘ |
| centuryOfActivity | 11th century ⓘ |
| conflict |
conflicts with Connacht rulers
ⓘ
conflicts with Leinster rulers ⓘ dynastic struggles in Munster ⓘ rivalry with the Uí Briain and other Munster dynasties ⓘ |
| country | Ireland NERFINISHED ⓘ |
| deathDate | 1064 ⓘ |
| deathPlace | Rome ⓘ |
| dynasticTitle | King of the Dál gCais NERFINISHED ⓘ |
| era | High Middle Ages ⓘ |
| ethnicity | Irish ⓘ |
| father | Brian Boru NERFINISHED ⓘ |
| fullName | Donnchad mac Briain NERFINISHED ⓘ |
| language | Old Irish ⓘ |
| mannerOfDeath | died in retirement ⓘ |
| mother | Gormflaith ingen Murchada NERFINISHED ⓘ |
| nobleFamily | Dál gCais NERFINISHED ⓘ |
| notableAction |
abdicated the kingship of Munster
ⓘ
went on pilgrimage to Rome ⓘ |
| notableEvent | Battle of Clontarf NERFINISHED ⓘ |
| notedFor |
long reign in Munster
ⓘ
turbulent rule marked by internal conflict ⓘ |
| positionHeld |
King of Munster
NERFINISHED
ⓘ
overking in southern Ireland ⓘ |
| predecessor | Brian Boru NERFINISHED ⓘ |
| reignEnd | 1064 ⓘ |
| reignStart | c. 1014 ⓘ |
| relative |
Domnall mac Briain
NERFINISHED
ⓘ
Murchad mac Briain NERFINISHED ⓘ Tadc mac Briain NERFINISHED ⓘ Tairrdelbach Ua Briain NERFINISHED ⓘ |
| religion | Christianity ⓘ |
| sibling |
Domnall mac Briain
NERFINISHED
ⓘ
Murchad mac Briain NERFINISHED ⓘ Tadc mac Briain NERFINISHED ⓘ |
| sourceMention |
Annals of Tigernach
NERFINISHED
ⓘ
Annals of Ulster NERFINISHED ⓘ Irish annals NERFINISHED ⓘ |
| successor | Tairrdelbach Ua Briain NERFINISHED ⓘ |
| territoryRuled |
Munster
NERFINISHED
ⓘ
Thomond NERFINISHED ⓘ |
| wasActiveIn | aftermath of the Battle of Clontarf 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: Donnchad mac Briain Description of subject: Donnchad mac Briain was an 11th-century Irish king of Munster and son of the High King Brian Boru, noted for his long and often turbulent reign in the aftermath of the Battle of Clontarf.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.