state leaders

• Domhnall MacLochlainn
  Domhnall MacLochlainn
  Domhnall Ua Lochlainn , also known as Domhnall Mac Lochlainn , claimed to be High King of Ireland.-High Kingship after Máel Sechnaill:...
  
  , High King of Ireland (1083-1121)
• Muircheartach Ua Briain
  Muircheartach Ua Briain
  Muircheartach Ua Briain , son of Toirdelbach Ua Briain and great-grandson of Brian Bóruma, was King of Munster and later self declared High King of Ireland.-Background:...
  
   (rival, 1101-1119)