 By 1545 MacSuibhne na d'Tuath had died the lordship was taken over by his son, Eoghan Óg, who was killed fighting in 1554 at Ceann Salach (in Cloghaneely).The lordship then passed to his son, Murchadh Mall, who in 1567 aided Sir Aodh Ó Domhnaill defeat Séan an Díomuis Ó Néill, in battle, near Letterkenny.Murchadh Mall and Mac Suibhne Fánad (Toirdealbhach Óg) were killed in 1570 by Clann Domhnaill Gallóglaigh, at Dun na Long near Strabane.