Question: What kingdom was established after the battle that led to the separation of Dumnonia from Wales?
Sentence (from "Battle of Deorham"): The battle, which was a major victory for the Wessex forces led by Ceawlin and his son, Cuthwine, resulted in the capture of the Brythonic cities of Glevum (Gloucester), Corinium Dobunnorum (Cirencester) and Aquae Sulis (Bath).
Relevant evidence: No