Originally their power-base was in Inishowen, with their capital at Ailech, however they gradually spread their influence eastwards into modern counties Tyrone and Londonderry, pushing aside the Cruithin east of the River Bann, and encroaching on the Airgiallan tribes west of Lough Neagh.
Originally their power-base was in Inishowen. This was with their capital at Ailech. They gradually spread their influence eastwards into modern counties Tyrone and Londonderry. They gradually was pushing aside the Cruithin east of the River Bann. They gradually was encroaching on the Airgiallan tribes west of Lough Neagh.