article: Oswiu of Northumbria
links: Northumbria Bernicia Columba Monastery Wulfhere of Mercia Easter Athelfrith of Bernicia Ecgfrith of Northumbria Deira Dál Riata Mercia Lent Lindsey (kingdom) Peada of Mercia Britons (Celtic people) Scottish people Iona Aethelred I of Mercia Battle of the Winwaed Celtic Christianity Anglo-Saxons Catholic Church Oswald of Northumbria Bishop River Trent Athelwald of Deira Penda of Mercia