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Post-Roman Celtic Kingdoms

Celts of Britain

 

 

 

View Map of Celtic Britain Glastenning

The territory around and mostly to the west of Glastonbury was a sub-kingdom of Dumnonia, and came under its overall control. Based on Ynys Witrin (Glastonbury, otherwise known as the Isle of Avallon - an old Celtic word for apples - and Arthur's legendary resting place). The kingdom probably covered much of modern Somerset.

From the mid-sixth century its immediate rule was under the king of Dogfeiling, which itself was a sub-kingdom of Gwynedd. The son of Cyndrwyn Glas, Morfael, also became the ruler of the Roman city of Letocetum (Caer-Luit-Coyt) in the eastern half of Pengwern, and his younger brother became king of all of Pengwern, probably upon Morfael's death.

c.550

Cyndrwyn Glas (the Blue)

King of Dogfeiling & Glastenning.

577

Once the West Seaxe make the breakthrough of defeating Caer Baddan, Caer Ceri, and Caer Gloui, the heartland of eastern Dumnonia, and Glastenning itself, are under direct threat. However, it seems likely that the three cities had been receiving military support from Glastenning or Dumnonia, and that these kingdoms  The Anglo-Saxon Conquest AD 550-600hold onto the West Wansdyke territory afterwards.

c.612

Morfael ap Glast

King of Caer-Luit-Coyt (Eastern Pengwern) & Glastenning.

c.645

Morgan Glas (the Blue)

King of Glastenning.

652 - 658

Two West Seaxe victories in 652 and 658 sees them occupy the entire Glastonbury region and the British kingdom ceases to exist.