Danes. The Heptarchy – the old kingdoms of Wessex, East Anglia, Mercia, Northumberland, Kent, Sussex and Essex (not to mention smaller kingdoms like Bernicia , Deira , Surrey , Lindsey , the Isle of Wight , Hwicce , Magonsaete , Pecsaetan , Wreocensae , Tomsaete , Haestingas , the Middle Angles