to the Scotichronicon; such power led to his nickname of Enneas-en-Imprissi or "Angus the Absolute".

The Earls of Sutherland contested control of Strathnaver with the Mackays for centuries; in 1230, the courtesy title Lord Strathnaver was created for the heir to the Sutherland earldom. The two families usually took opposing sides; for example, in 1554, the Regent Mary of Guise