The kingdom of Essex grew by the absorption of smaller subkingdoms or Saxon tribal groups. There are a number of suggestions for the location of these subkingdoms including: •
The Rodings ("the people of Hrōþa"), • Vange – "marsh district" (possibly stretching to the
Mardyke) • Denge • Hæferingas in the
London Borough of Havering The dynasty claimed descent from
Woden via
Seaxnēat. A genealogy of the Essex royal house was prepared in Wessex in the 9th century. Unfortunately, the surviving copy is somewhat mutilated. At times during the history of the kingdom several sub-kings within Essex appear to have been able to rule simultaneously. The kings of Essex are notable for their S-nomenclature, nearly all their names begin with the letter S. The Essex kings issued coins that echoed those issued by
Cunobeline simultaneously asserting a link to the first century rulers while emphasising independence from Mercia.
Christianity Christianity is thought to have flourished among the Trinovantes in the 4th century AD (late
Roman period); indications include the remains of a probable church at Colchester, dating from some time after 320, shortly after the emperor
Constantine the Great granted freedom of worship to Christians in 313. Other archaeological evidence includes a
chi rho symbol etched on a tile at a site in
Wickford, and a gold ring inscribed with a chi rho monogram found at
Brentwood. It is not clear to what extent, if any, Christianity persisted by the time of the pagan East Saxon kings in the sixth century. The earliest English record of the kingdom dates to
Bede's , which noted the arrival of Bishop (later Saint)
Mellitus in London in 604.
Æthelberht (King of Kent and overlord of southern England according to Bede) was in a position to exercise some authority in Essex shortly after 604, when his intervention helped in the conversion of King
Sæberht of Essex (son of
Sledd), his nephew, to Christianity. It was Æthelberht, and not Sæberht, who built and endowed St. Paul's in London, where
St. Paul's Cathedral now stands. Bede describes Æthelberht as Sæberht's overlord. After the death of Sæberht in 616, Mellitus was driven out and the kingdom reverted to paganism. This may have been the result of opposition to Kentish influence in Essex affairs rather than being specifically anti-Christian. The kingdom reconverted to Christianity under
Sigeberht II the Good following a mission by
St Cedd who established monasteries at
Tilaburg (probably
East Tilbury, but possibly
West Tilbury) and
Ithancester (almost certainly
Bradwell-on-Sea). A
royal tomb at Prittlewell was discovered and excavated in 2003. Finds included gold foil crosses, suggesting the occupant was Christian. If the occupant was a king, it was probably either Sæberht or Sigeberht (murdered 653). It is, however, also possible that the occupant was not royal, but simply a wealthy and powerful individual whose identity has gone unrecorded. . Established by
St Cedd, the patron saint of Essex around 662, it was built on the site of the abandoned Roman
Saxon Shore fort of
Othona. Essex reverted to Paganism again in 660 with the ascension of the pagan King
Swiþhelm. He converted in 662, but died in 664. He was succeeded by his two sons:
Sigehere and
Sæbbi. A plague the same year caused Sigehere and his people to recant their Christianity and Essex reverted to Paganism a third time. This rebellion was suppressed by
Wulfhere of Mercia who established himself as overlord. Bede describes Sigehere and Sæbbi as "rulers […] under Wulfhere, king of the Mercians". Wulfhere sent Jaruman, the bishop of
Lichfield, to reconvert the East Saxons.
Wine (in 666) and
Erkenwald (in 675) Although London, like the rest of Middlesex, was lost by the East Saxons in the 8th century, the bishops of London continued to exert spiritual authority over Essex as a kingdom, shire and county until 1845.
Later history and end Despite the comparative obscurity of the kingdom, there were strong connections between Essex and the Kentish kingdom across the river Thames that led to the marriage of King Sledd to Ricula, sister of the king,
Æthelberht of Kent. For a brief period in the 8th century the kingdom included west Kent. During this period, Essex kings issued their own
sceattas (coins), perhaps as an assertion of their own independence. However, by the mid-8th century, much of the kingdom, including London, had fallen to
Mercia, and the rump of Essex, roughly the modern county, had become subordinate to the same. After the defeat of the Mercian king
Beornwulf around 825,
Sigered, the last king of Essex, ceded the kingdom, which then became a possession of the
Wessex king
Egbert. The Mercians continued to control parts of Essex and may have supported a pretender to the Essex throne since a Sigeric witnessed a Mercian charter after 825. During the 9th century, Essex was part of a sub-kingdom that included Sussex, Surrey and Kent. == List of kings==