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Deira (Old English: ''Derenrice'' or ''Dere'') was a kingdom (559-664 AD) in Northern England which probably emerged when Anglian warriors conquered the Derwent Valley in the third quarter of the fifth century.〔Higham, p. 98〕 It extended from the Humber to the Tees, and from the sea to the western edge of the Vale of York. It was the southern of the two kingdoms of Deira and Bernicia which later merged to form the kingdom of Northumbria. The name of the kingdom is of Brythonic origin, perhaps from ''Deifr'', meaning "waters", or from ''Daru'', meaning "oak", in which case it would mean "the people of the Derwent", a derivation also found in the Latin name for Malton, ''Derventio''.〔Higham, p. 81〕 According to Simeon of Durham (writing early in the 12th century) it extended from the Humber to the Tyne, but the land was waste north of the Tees. After the Brythonic kingdom centred on ''Eboracum'', which may have been called Ebrauc, was taken by King Edwin, the city of ''Eboracum'' became its capital and was called ''Eoforwic'' ("boar-place") by the Angles. The first Anglian king of Deira of whom we have any record is Ælla, who flourished in the later 6th century after conquering the realm from the Britons in 581. After his death, Deira was subject to king Æthelfrith of Bernicia, who united the two kingdoms into Northumbria. Æthelfrith ruled until the accession of Ælla's son Edwin, in 616 or 617, who also ruled both kingdoms until 633. Osric, the nephew of Edwin, ruled Deira after Edwin, but his son Oswine was put to death by Oswiu in 651. For a few years subsequently Deira was governed by Æthelwald son of Oswald of Bernicia. Bede wrote of Deira in his ''Historia Ecclesiastica'' (completed in 731). ==Kings of Deira== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Deira」の詳細全文を読む スポンサード リンク
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