Wikipedia
Ordwulf
Ordwulf (died after 1005) was the son of Ordgar, Ealdorman of Devon (died 971). His sister was Queen Ælfthryth, third wife of King Edgar (born 943, died 975; ruled 959-975)'' The Peaceful'' and mother of King Æthelred II (c.968-1016) The Unready, during whose reign Ordwulf was a major figure.