Source Information

Ancestry.com. Sutherland and Caithness in saga-time, or, The jarls and the Freskyns [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2005.
Original data: Gray, James,. Sutherland and Caithness in saga-time, or, The jarls and the Freskyns. Edinburgh: Oliver & Boyd, 1922.