Open English Wordnet
Nouns
(n)Ethelred, Ethelred II, Ethelred the Unreadyking of the English who succeeded to the throne after his half-brother Edward the Martyr was murdered; he struggled unsuccessfully against the invading Danes (969-1016)
(n)AEthelred of Wessex, Ethelred, Ethelred Iking of Wessex and Kent and elder brother of Alfred; Alfred joined Ethelred's battle against the invading Danes and succeeded him on his death (died in 871)