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Dictionary of Medieval Names
from European Sources

Bertfrid m. Old High German beraht, Old Saxon berht 'bright' from Proto-Germanic *berhtaz + Old High German fridu, Old Saxon frithu 'peace'.

France
Latin
658 Bertefredus (nom) DCEL-2 CCCXXXIII; c823 Bertfredus (nom) irminon-vol2 91, Palatiolum
Spain
Latin
1019 Bertefred (nom) CDCB-XV MMCLXXIV, Betfre (nom) ibid. MMCLXXIV
Cite as: S.L. Uckelman. "Bertfrid". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Bertfrid.