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branch of the southern Uí Néill made border attacks on
Leinster territory. The sept of Uí Chonaing defeated the Uí Théig at the Battle of Áth Cliath in Cualu (southern Dublin Co.) with a slaughter of Laigin but many of the victors drowned in a high tide on their way home. The sept of Uí Chernaig was
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and the Laigin eluded him. Donnchad remained seven days in the vicinity of the ancient hill fort of Ráith Ailenn (in Co.Kildare) and ravaged the country with fire until the men of
Leinster submitted to him.
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mac
Cellaig (died 808), was also King of Leinster. His sons Fáelán (died 804) and Áed (died 829) were abbots of Kildare and his daughter Muirenn (died 831) was abbess of Kildare.
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in 761 and civil wars in 769–770. The first mention of
Cellach in the annals involves the Battle of Áth Orc (in
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132:That same year of 770 the two septs of the
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137:defeated at the Battle of Bolg Bóinne.
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58:were preoccupied with war with the
51:border). He ruled from 760 to 776.
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251:Charles-Edwards, T. M. (2000),
23:of the Uí Dúnchada sept of the
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19:(died 776) was a King of
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298:Kings of Uí Dúnlainge
142:Fínsnechta Cethardec
33:Dúnchad mac Murchado
31:. He was the son of
17:Cellach mac Dúnchada
303:8th-century births
116:(died 778) of the
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82:, who were slain.
293:Kings of Leinster
247:978-1-85182-196-9
161:Francis J.Byrne,
96:at the Battle of
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68:Cináed mac Flainn
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202:AU 770.10
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90:Áed Allán
87:high king
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43:, on the
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29:Laigin
148:Notes
257:ISBN
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