Dictionary of Medieval Names
from European Sources

Frodeberga f. Old Frisian, Old Saxon frōd, Old High German fruot 'wise' + Old High German berg 'mountain, hill'.

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