sentences:  the D-text of the "Anglo-Saxon Chronicle".The Northumbria on which he set foot was one which had been bitterly fought over between the West-Saxon kings and the Hiberno-Norse line of descendants from Ímair, kings of Dublin.The Northumbrians' own position in the middle of the struggle may have been complex and the outcome was variable, leading an unsympathetic historian like Henry of Huntingdon to judge harshly on "their usual faithlessness" ("solita infidelitas").