toiseach การใช้

• The earliest reference to the name occurs in 1172, when " Maol Maire Mac Murchadha toiseach Muinntire Birn do mharbhadh la h-Aedh Mac Aenghusa agus la Cloinn Aeda do Uibh Eachdach Uladh " / " Maol Maire Mac Murchadha, Lord of Muintir Birn, was slain by Aedh Mac Aenghusa and the Clann-Aodha of U韇h Echach Uladh ."