sentences:  It may be noted that the text's chronology has likewise presented some difficulties concerning the political status of Dyfnwal in the story (see main article there).A further glimpse may be offered by the mid-12th-century Irish saga entitled "Caithréim Chellacháin Chaisil", a text which was primarily designed to glorify the deeds of Cellachán mac Buadacháin (d. 954), king of Munster, and hence his descendants, the Clann Faílbe.In one of its poems, an ‘Eric, King of the Islands’ ("Éiric Righ na n-Innse"), meaning ruler of the Hebrides, is described as having allied himself to Sitriuc mac Tuirgeis, king of Dublin.