Nuadu Necht
Template:Short description Template:Use dmy dates Nuadu Necht ("the pure"),<ref>Dictionary of the Irish Language, Compact Edition, Royal Irish Academy, 1990, p. 475</ref> son of Sétna Sithbac, a descendant of Crimthann Coscrach, of the Laigin, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He came to power after killing his predecessor, Eterscél, and ruled for six months, at the end of which he was killed by Eterscél's son Conaire Mór.
The Lebor Gabála Érenn synchronises his reign with that of the Roman emperor Augustus (27 BC – AD 14), and after the birth of Christ, and makes him contemporary with legendary provincial kings Conchobar mac Nessa, Cairbre Nia Fer and Ailill mac Máta.<ref>R. A. Stewart Macalister (ed. & trans.), Lebor Gabála Érenn: The Book of the Taking of Ireland Part V, Irish Texts Society, 1956, p. 301</ref> The chronology of Geoffrey Keating's Foras Feasa ar Éirinn dates his reign to 64–63 BC,<ref>Geoffrey Keating, Foras Feasa ar Éirinn 1.37</ref> and that of the Annals of the Four Masters to 111–110 BC.<ref>Annals of the Four Masters M5089-5088</ref> The Four Masters combine his reign with that of Ér, Orba, Ferón and Fergna centuries before, to make a whole year in their chronology.<ref>Annals of the Four Masters M3519</ref>
In the Fenian Cycle he is an ancestor of Fionn mac Cumhaill: his son Baoisgne was the great-great-grandfather of Cumhall (mac Treunmor mac Suaelt mac Eltan mac Baoisgne mac Nuada Necht). Sometimes the father of the druid Tadg mac Nuadat, whose daughter, Muirne, is Fionn's mother is mistaken as Nuadu Nect, when it is in fact Nuada Airgetlám of the Tuatha Dé Danann.<ref>James MacKillop, Dictionary of Celtic Mythology, Oxford University Press, 1998,p. 308</ref> He is also said to have fathered Bascine, the ancestor of Finn's father, Cumhal mac Trenmor.
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