Sources: Kraentzler 1158, 1232, 1264; RC 131, 314; A. Roots 98A; Ayers, p359, 725. RC: Earldorman of Bernicea (Northumbria beyond Tyne). Slew Thurebrand and was then murdered in 1038 by Thurebrand's son, Karl. K: Ealdred, Count of Northumberland. And Aldred of Bernicia (Earl of Northumberland?). Roots: Aldred of Bernicia. Ayers: Ealdred, Earl of Northumberland.