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Dictionary of Medieval Names
from European Sources

Guethencar m. Old Breton (g)uethen 'warrior, war' + Old Breton car 'friend, kinsman'.

France
Latin
833 Guethengar (nom) CartRed X; 834 Guethencar (nom) ibid. II, Guethengar (nom) ibid. III
Cite as: S.L. Uckelman. "Guethencar". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2021, no. 1. http://dmnes.org/2021/1/name/Guethencar.