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Dictionary of Medieval Names
from European Sources

Waltbert m. Old Saxon wald, Old High German walt 'power, authority' + Old High German beraht, Old Saxon berht 'bright' from Proto-Germanic *berhtaz.

France
Latin
519 Gualdebertus (nom) CartYonne1 I, Vualdebertus (nom) ibid. I; 814 Vualdebertus (nom) StVdM-II F34; c823 Waltbertus (nom) irminon-vol2 5, Gaugiacum
Cite as: S.L. Uckelman. "Waltbert". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2018, no. 1. http://dmnes.org/2018/1/name/Waltbert.