Finsnechta Cethardec mac Cellach

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Finsnechta Cethardec mac Cellach was the second of ten Kings of Leinster to be inaugurated and based on Lyons Hill, Ardclough, County Kildare, a member of the Uí Dúnchada, one of three septs of the Uí Dúnlainge dynasty which rotated the kingship of Leinster between 750-1050, significant in County Kildare History. In 806 High King Aed Oirdnide mac Néill invaded Laighin, Finsnechtae was deposed but regained his kingdom until his death in 808 causing dynastic strife and a further invasion of the High King.