As an example, a 5th-century king of Leinster, whose name is recorded in Old Irish king-lists and annals as "Mac Caírthinn Uí Enechglaiss", is memorialised on an ogham stone near where he died. This gives the late Primitive Irish version of his name (in the genitive case), as . Similarly, the Corcu Duibne, a people of County Kerry known from Old Irish sources, are memorialised on a number of stones in their territory as . Old Irish "filed", "poet (gen.)", appears in ogham as . In each case the development of Primitive to Old Irish shows the loss of unstressed syllables and certain consonant changes.