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Crimthann Nia Náir

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Crimthann Nia Náir

Son of Space:Lugaid_Alldathach_(Ui_Eremoin)_mac_Cairpre

Brother to Mogha Lamha (Lughaid) mac Lugaid Allathach (-abt.0100)

Father of Feradach Finnfechtnach Fearadhach (-abt.0036)

Crimthann Nia Náir is a legendary Milesian ruler who lived in the time of Christ; Listed as monarch no: 100 in Library Ireland : The Stem of the Irish Nation; the Line of Heber by John O'Hart; Crimthann Nia Náir was seven years into his reign "when our Lord Jesus Christ was born". [1] His father is said to have been Lugaid Riab nDerg [2] and through incest Clothru was Crimthann's mother, aunt and grandmother.

In another history, Crimthann Nia Náir, the son of Lugaid Riab nDerg, took the 89th kingship of Ireland when he slew Conchobor Abrat-Ruad. Wikipedia : Crimthann Nia Náir [3] [4] [5]

Crimthann and Conaire Mór (or Conary the Great - the 97th Monarch of Ireland) both made expeditions to Britain and Gaul; and assisted the Picts and Britains in their wars with the Romans. [6]

He was married to Nar-Tath-Chaoch, dau. of Laoch, son of Daire, who lived in the land of the Picts (Scotland). [7]

Crimthann was married to Bainé, daughter of the King of Alba, and the mother of Feredach Fionn Feachtnach. [8]

The death of Crimthann-Niadh-Nar 'The Heroic' (son of Lughaidh Sriabh-n Dearg) was occasioned by a fall from his horse, B.C. 9. [9]

A fortress at Howth, Dún Crimthann, is named for him, though its precise location may be disputed. [10]

In the Lebor Gabála Érenn we read; It was he who went adventuring [to Edar] from Dún Crimthann along with Nár the Fairy Woman, so that he was a fortnight over a month there, and brought away with him many treasures, including the gilded chariot, and the golden checker- board, and the mantle of Crimthann. He died after coming out, at the end of a fortnight over a month. [11]


  1. original text scanned by University of Pittsburgh Irish Pedigrees or The origin and Stem of the Irish Nation by John O'Hart (1892) Vol: 1 Page: 58
  2. Tuathal Teachtmhar son of Fiachaidh Fionnoladh, son of Fearadhach Fionn Feachtnach, son of Criomhthann Nia Nar, son of Lughaidh Riabh nDearg, son of the three Finneamhnas, son of Eochaidh Feidhlioch of the race of Eireamhon, held the sovereignty of Ireland thirty years. Celt : History of Ireland XXXlX p:243 by Geoffrey Keating; corpus of electronic texts edition
  3. from Oxford Reference : A Dictionary of Celtic Mythology - Conchobar Abratruad was an early king of the Lagin, ancestors of the Leinstermen of eastern Ireland; not to be confused with the better-known Conchobar mac Nessa.
  4. (from the Lebor Gabála Érenn : The Book of the Taking of Ireland PART VI G-K : ed & trans. with notes by R. A. Stewart Macalister, D.Litt.)
  5. Wikipedia : Crimthann Nia Náir
  6. 95 - Stem of the Irish Nation : Heremon to Art Eanfhear
  7. 95 - Stem of the Irish Nation : Heremon to Art Eanfhear
  8. 95 - Stem of the Irish Nation : Heremon to Art Eanfhear
  9. 95 - Stem of the Irish Nation : Heremon to Art Eanfhear
  10. Secret Ireland : Crimthann and Howth
  11. (from the Lebor Gabála Érenn : The Book of the Taking of Ireland PART VI Ed & Trans. with notes by R. A. Stewart Macalister, D.Litt.) Celt : quoting source Macalister, LGE, Vol. 5, p. 303

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