Dictionary of Medieval Names
from European Sources

Grimher m. Old High German, Old Saxon grim 'grim, fierce, bold' + Old High German heri 'host, army'.

France
Latin
c823 Grimharius (nom) irminon-vol2 6, Gaugiacum
Cite as: S.L. Uckelman. "Grimher". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Grimher.