 In 1557 a Domhnall Gorm Mac Suibhne was leader of "Slíocht Domhnaill" and was recorded as being with Calbhach Ó Domhnaill in a victory over Seán an Díomais Ó Néill.Domhnall Gorm was killed in 1568 by his kin and was succeeded by Toirdhealbhach Óg who was a son of Toirdhealbhach who was killed in 1544.Toirdhealbhach Óg was killed in battle in 1570 at Dún na Long on the Foyle, by Toirdhealbhach Luineach Ó Néill.