article: Heptarchy
links: Wessex Northumbria Bernicia Kent (kingdom) Bede Kingdom of Essex Ceawlin of Wessex Anglo-Saxon 8th century Aethelbald of Mercia Kingdom of Sussex Kingdom of England Deira Offa of Mercia Kingdom of Kent Mercia Vikings English people Oswiu of Northumbria East Anglia Egbert of Wessex River Humber Oswald of Northumbria Essex (kingdom) Germanic peoples 16th century