Elgiva married Ethelred II 'the Unready' KING OF ENGLAND. Ethelred (son of Edgar 'the Peaceable' KING OF ENGLAND and Elfrida OF ENGLAND) was born about 968 in Wessex, England; died on 23 Apr 1016 in London, Greater London, England; was buried in Old St. Paul's Cathedral, London, Greater London, England. [Group Sheet]