Domnall Ua Lochlainn
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Domhnall Ua Lochlainn (old spelling: Domnall Ua Lochlainn) (1048 – 10 February 1121), also known as Domhnall Mac Lochlainn (old spelling: Domnall Mac Lochlainn),[1] was king of the Cenél Eogain, over-king of Ailech, and alleged High King of Ireland.