Presently, Dumnonia (m+ n) is spelled Dummonia (m + M0 on this profile.
1. https://dumnonia.uk/
2. https://www.oxfordreference.com/view/10.1093/oi/authority.201108101...
3. https://www.historyfiles.co.uk/KingListsBritain/BritainDumnonia.htm
4. https://en.wikipedia.org/wiki/List_of_kings_of_Dumnonia
