The casual confederation associated with Anglo-Saxon kingdoms from fifth towards the ninth century, consisting of Kent, Sussex, Wessex, Essex, Northumbria, East Anglia, and Mercia.
federal government by seven folks
a situation influenced by seven individuals, or a link of seven states (like in Anglo-Saxon Britain)
A government by seven people; in addition, a country under seven rulers.
A government by seven persons; in addition, several seven kingdoms or governing bodies: into the latter sense utilized just in English record, for the seven principal Anglo-Saxon kingdoms of Kent, Sussex, Wessex, Essex, Northumbria, East Anglia, and Mercia.