NIGHTBRINGER | The Arthurian Encyclopedia

Dion

Dyons, Dyonz

The nephew of Duke Calles and brother of AlibelDyonis, and Casibilant.

His six cousins revolted against their father, Duke Calles. Dion and his brothers assisted their uncle in the war, in which they were joined by AgravainGaheris, and Gareth.


Source
Vulgate Lancelot | 1215-1230