Dictionary of Medieval Names
from European Sources

Frodegard m. Old Frisian, Old Saxon frōd, Old High German fruot 'wise' + Old Saxon gard, Old High German gart 'enclosure, protection; yard, garden'.

France
Latin
c823 Frodegardus (nom) irminon-vol2 51
Cite as: S.L. Uckelman. "Frodegard". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Frodegard.