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Meaning & History
Oswiu, also known as Oswy or Oswig (Old English: Ōswīg) (c. 612 – 15 February 670), was King of Bernicia from 642 until his death. One of the sons of Æthelfrith of Bernicia, he became king following the death of his brother Oswald in 642. Unlike Oswald, Oswiu struggled to exert authority over Deira, the other Anglo-Saxon kingdom comprising medieval Northumbria, for much of his reign. -- Wikipedia