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Dictionary of Medieval Names
from European Sources

Germar m. Old High German, Old Saxon gēr 'spear' + Old High German, Old Saxon māri from Proto-Germanic *mērijaz 'famous'.

France
Latin
c823 Germarus (nom) irminon-vol2 4, CE
Cite as: S.L. Uckelman. "Germar". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2021, no. 1. http://dmnes.org/2021/1/name/Germar.