Sources: NEHGR 79/371; RC 314; A. Roots 34; AF; Kraentzler 1431, 1468;
Ayers, p725.
RC: Earldorman of Northumberland. Occ c994.
K: Waltheof I of Northumberland. Count (Earl) of Northumberland.
Roots: Waltheof, Earl of Northumberland.
NEHGR: "Osulf was succeeded by Walthof, Senior, who had a son Uchtred. He
submitted by necessity to Knut, and was murdered by a Dane. Earl Uchtred had
three sons, Aldred, Eadulf and Cospatric (sic). The two elder were Earls of
Northumberland." Quotation from Symeon, a monk at Durham commenting on the
great families of his neighborhood.
Ayers: Waltheof I, Earl of Northumberland.