Mathgamain O'brien
Birth date:
Birth place:
, , ,
 
Death date:
  1129
Death place:
  , , ,

O'brien Family

Parents:
Father: Muirchertach Ii MacToirdelbaig O'Brien
Mother: Dubhehabhlaigh
Spouse:
Spouse:
 
Siblings:
Blathmin O'Brien
Domnall MacMuirchertach O'Brien
Mathgamain O'brien
Lafracoth,
Domnall macMuirchertach O'Brian
Murchadh Mahone O'Brien
Mathgamai macMuirchertach
Lafracoth O'Brien
Children:
From Whom Descents McMahon