Eochu Feidlech
Eochu or Eochaid Feidlech, was a High King of Ireland, according to medieval Irish legends and historical traditions. He is best known as the father of the legendary queen Medb of Connacht. Wikipedia
Great grandchildren: Feradach Finnfechtnach, Aidlinn, and Crimthann Nia Náir
Grandchildren: Lugaid Riab nDerg, Glaisne, and Crimthann Nia Náir