Noun
A government by seven persons; also, a country under seven rulers.
Source: Webster's dictionaryIt was attributed to the Kingdom of Sussex later in a work called "Saxon Heptarchy" by John Speed that dates from 1611. Source: Internet
History Although the kingdom of Essex was one of the kingdoms of the Heptarchy, its history is not well documented. Source: Internet
The remaining kingdom of Wessex was the only kingdom of the Heptarchy left. Source: Internet