Dúngal mac Amalgado (or Dúngal Cnogba) (died 759) was a

King of Brega The Kings of Brega were rulers of Brega, a petty kingdom north of Dublin in medieval Ireland. Overview Brega took its name from ' ('), meaning "fine plain", in modern County Meath, County Louth and County Dublin, Ireland. They formed part of the ...

from the Uí Chonaing sept of Cnogba (

Knowth Knowth (; ga, Cnóbha) is a Neolithic passage grave and an ancient monument of the World Heritage Site of Brú na Bóinne located 8.4 km west of Drogheda in Ireland's valley of the River Boyne. It is the largest passage grave of the Brú ...

) of the

Síl nÁedo Sláine Síl nÁedo Sláine () are the descendants of Áed Sláine (Áed mac Diarmato), son of Diarmait mac Cerbaill. Part of the Southern Uí Néill—they were the kings of Brega—they claimed descent from Niall Noígiallach and his son Co ...

branch of the southern Ui Neill. He was the son of Amalgaid mac Congalaig (died 718) and brother of

Conaing mac Amalgado Conaing mac Amalgado (died 742) was a King of Brega from the Uí Chonaing sept of Cnogba ( Knowth) of the Síl nÁedo Sláine branch of the southern Ui Neill. He was the son of Amalgaid mac Congalaig (died 718), a previous king. He ruled from 7 ...

(died 742), previous kings. He ruled from 748 to 759. The Uí Chonaing had conquered the Ciannachta tribe of Brega, between the Boyne and the Delvin, in the reign of

Cináed mac Írgalaig Cináed mac Írgalaig (died 728) or Cináed Cáech, "the one-eyed", was an Irish King of Brega who was High King of Ireland. Background Cináed was the son of Írgalach mac Conaing (died 702), a previous King of Brega. He belonged to the Uí ...

(died 728). However a section of them remained called the Ard Ciannachta between the Boyne and the Dee. In 749 Dúngal won the battle of Ard Ciannachta versus this tribe and their chief, Ailill mac Duib dá Crích, was slain. The ''Annals of Ulster'' state that Aillil was slain in the first attack but in a counter-attack Domnall mac Cináeda of the Uí Chonaing was slain. They call Domnall king and do not associate Dúngal with the battle. The ''Annals of Tigernach'' make the same statements regarding the fortunes of the battle and Domnall's title but claim that Dúngal was victor. In 759 Dúngal fought the Battle of Emain Macha against

Fiachnae mac Áedo Róin Fiachnae mac Áedo Róin (died 789) was a Dál Fiatach ruler of the over-kingdom of Ulaid in Ireland. He reigned from 750 to 789. He was the son of Áed Róin (died 735) and brother of Bressal mac Áedo Róin (died 750), previous kings. This famil ...

(died 789), King of

Ulaid Ulaid (Old Irish, ) or Ulaidh (Modern Irish, ) was a Gaelic over-kingdom in north-eastern Ireland during the Middle Ages made up of a confederation of dynastic groups. Alternative names include Ulidia, which is the Latin form of Ulaid, and in ...

. He was defeated and slain along with his ally Donn Bó mac Con Brettan, king of Fir Rois. The ''Annals of Tigernach'' claim that the cause of the battle was a feud within the abbacy of

Armagh Armagh ( ; ga, Ard Mhacha, , " Macha's height") is the county town of County Armagh and a city in Northern Ireland, as well as a civil parish. It is the ecclesiastical capital of Ireland – the seat of the Archbishops of Armagh, the ...

. Dúngal took the side of a priest named Airechtach versus the abbot Fer-dá-Chrích who was supported by Fiachnae. His son Conaing mac Dúngaile (died 786) was slain at the Battle of Lia Finn or Tuilén.''Annals of Ulster'' 786.6

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References

* ''Annals of Ulster'' a
CELT: Corpus of Electronic Texts
a
University College Cork
* ''Annals of Tigernach'' a

a
University College Cork
* Charles-Edwards, T. M. (2000), ''Early Christian Ireland'', Cambridge: Cambridge University Press, * ''Book of Leinster'',

Flann Mainistrech Flann Mainistrech (died 25 November 1056) was an Irish poet and historian. Flann was the son of Echthigern mac Óengusso, who had been lector at the monastery of Monasterboice (modern County Louth), in Irish ''Mainistir Buite'', whence Flann's ...

: ''Síl Aeda Sláne Na Sleg'' a
CELT: Corpus of Electronic Texts
a
University College Cork

External links

a
University College Cork
Kings of Brega 759 deaths 8th-century Irish monarchs Year of birth unknown {{Ireland-royal-stub

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