Uí Dúnlainge

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Kildare based Kings of Leinster, significant in County Kildare History. The dynasty claimed descent from Dúnlaing son of Enna Nia. Their claims to the kingship of Leinster were unopposed after death of Aed mac Colggan in the Battle of Ballyshannon 738 (Aug 19). The dynasty then divided into three kindreds which rotated the kingship between 750-1050. This is unusual in early Irish history, according to Professor Francis John Byrne of University College Dublin it was the equivalent of “keeping three oranges in the air.” 14 Uí Meiredaig kings (later to become the O’Tooles) were based at Mullaghmast/Máistín 9 Uí Faelain kings (later to become the O’Byrnes) were based at .Naas/ Nás na Ríogh and 10 Uí Dúnchada kings (later the FitzDesmonds) were based at Lyons Hill/ Líamhain nearest to Dublin city. The influence of the family helped secure place-myths for prominent Kildare landmarks in the heroic and romantic literature such as the Dindeanchas, Dinnshenchas Érenn as one of the “assemblies and noted places in Ireland” After the death of the last Kildare-based King of Laighin, Murchad Mac Dunlainge in 1042, the Kingship of Leinster reverted to the Ui Cinnseallaig sept based in the south east.