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Dictionary of Medieval Names
from European Sources

Brithael m. Old Breton brit 'mind, spirit' or Old Breton Britto 'Briton' + Old Breton hael 'generous, noble'.

France
Latin
833 Brithael (nom) CartRed V
Cite as: S.L. Uckelman. "Brithael". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Brithael.