Complex sentence: The Cruthin (Middle Irish Cruithnig, Cruithni, Modern Irish Cruithne) were a people of early Ireland, who occupied parts of Counties Down, Antrim and Londonderry in the early medieval period.
Split into simpler sentences: The Cruthin (Middle Irish Cruithnig, Cruithni, Modern Irish Cruithne) were a people of early Ireland. They occupied parts of Counties Down, Antrim and Londonderry in the early medieval period.