Dictionary of Medieval Names
from European Sources

Grimbald m. Old High German, Old Saxon grim 'grim, fierce, bold' + Old High German bald 'bold'.

The name of a 9th C French saint.

France
Latin
c823 Grimboldus (nom) irminon-vol2 15, Palatiolum
Cite as: S.L. Uckelman. "Grimbald". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Grimbald.