Dúngal mac Amalgado (or Dúngal Cnogba) (died 759) 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) and brother of Conaing mac Amalgado (died 742), previous kings. He ruled from 748 to 759.
The Kings of Brega were rulers of Brega, a petty kingdom north of Dublin in medieval Ireland.
Knowth 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 na Bóinne complex. It consists of a large mound and 17 smaller satellite tombs. The mound is about 12 metres (40 ft) high and 67 metres (220 ft) in diameter, covering roughly a hectare. It contains two passages placed along an east-west line and is encircled by 127 kerbstones, of which three are missing, and four badly damaged.
Síl nÁedo Sláine[ˈsʲiːlʲ ˈnaiðo ˈslaːnʲe] are the descendants of Áed Sláine, 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 Conall Cremthainne.
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The Uí Chonaing had conquered the Ciannachta tribe of Brega, between the Boyne and the Delvin, in the reign of Cináed mac Írgalaig (died 728). However a section of them remained called the Ard Ciannachta between the Boyne and the Dee. [1] 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. [2]
Cináed mac Írgalaig or Cináed Cáech, "the one-eyed", was an Irish King of Brega who was High King of Ireland.
In 759 Dúngal fought the Battle of Emain Macha against Fiachnae mac Áedo Róin (died 789), King of Ulaid. 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. Dúngal took the side of a priest named Airechtach versus the abbot Fer-dá-Chrích who was supported by Fiachnae. [3]
Fiachnae mac Áedo Róin 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 and brother of Bressal mac Áedo Róin, previous kings. This family had their base in modern-day County Down, Northern Ireland.
Ulaid or Ulaidh ) 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, as well as in Cóiced, which in Irish means "the Fifth". The king of Ulaid was called the rí Ulad or rí in Chóicid.
Armagh 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 Primates of All Ireland for both the Roman Catholic Church and the Church of Ireland. In ancient times, nearby Navan Fort was a pagan ceremonial site and one of the great royal capitals of Gaelic Ireland. Today, Armagh is home to two cathedrals and the Armagh Observatory, and is known for its Georgian architecture.
His son Conaing mac Dúngaile (died 786) was slain at the Battle of Lia Finn or Tuilén. [4]
