Not a king, but probably a powerful man in the Roman administration, Donaut (Dynod) was brother of Caradoc of Dumnonia and appears to have inherited his influence in the Civitas Dumnoniorum. [1]
Sources
↑ Early British Kingdons: Donaut 'King' of Dumnonia.
Ancestry Profile: #887069021.
Abt 0280 - 