Dictionary of Medieval Names
from European Sources

Grimhard m. Old High German, Old Saxon grim 'grim, fierce, bold' + Old Saxon hard, Old High German hart 'strong, hard'.

France
Latin
c823 Grimhardus (nom) irminon-vol2 100, Palatiolum
Cite as: S.L. Uckelman. "Grimhard". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Grimhard.