Dictionary of Medieval Names
from European Sources

Nadalberga f. Latin natalis 'natal, of birth' + Old High German berg 'mountain, hill'.

France
Latin
c823 Nadalberga (nom) irminon-vol2 91, Palatiolum, Nadalburgs (nom) ibid. 46, CE
Cite as: S.L. Uckelman. "Nadalberga". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Nadalberga.