DNB (Ethelred or Æthelred II, the Unready, 968?-1016)
Ethelred the Unready, 1978 (subj.) t.p. (Ethelred the Unready)
Wikipedia, 19 Mar. 2008 (Ethelred II (c. 968 -- April 23, 1016), also known as Ethelred the Unready or Aethelred the Unready, was King of England (978-1013, and 1014-1016))