This tree has been isolated from other trees on Geni: Tree is fictional

Geni does not allow isolated trees to be merged into the World Family Tree, or other trees.

Eochaid Buaidhaig mac Duach

Is your surname mac Duach?

Research the mac Duach family

Share your family tree and photos with the people you know and love

  • Build your family tree online
  • Share photos and videos
  • Smart Matching™ technology
  • Free!

Eochaid Buaidhaig mac Duach

Also Known As: "Eochaidh", "Echdach", "Achaias", "Achaius", "Eochaidh Buidh", "Eochaid Buadach", "Buailgllerg"
Birthplace: Ireland
Death: circa -700 (46-64)
Place of Burial: Cruachan, Ireland
Immediate Family:

Son of Duach II Laghrach {Legendary}
Husband of Tamar Tephi, Queen of Ireland (Fictitious Person)
Father of Úgaine Mór mac Echach, 66th High King of Ireland {Legendary}
Brother of Badhbhchadh mac Duí, Rí na h'Éireann

Occupation: aka Eochaid Buiglaig (Buaid); Achaius Beidhach; last King of the FIRBOLG; Ugaine's natural father: Ugaine's foster-father was 63rd Monarch, grandson of Argatmar MacSirlaim, q.v.; son Badhbhchadh reigned as MONARCH for just three hours, Prince
Managed by: Private User
Last Updated:

About Eochaid Buaidhaig mac Duach

Eochaid Buaid mac Duach


Duí Ladrach mac Fiachach King of Ireland (-737bc)

Misc. Notes

was kept out of the Monarchy by his father's slayer. In his time the kingdom was twice visited with a plague.

Part III, Chapter IV of Irish Pedigrees, by John O'Hart, published 1892, pages 351-9, 664-8 and 708-9.


Tamar Tephi ha-David


586 BC


Augaine (Ugaine) (-593bc)