Dictionary of Medieval Names
from European Sources

Wintbert m. Old High German Winida 'Wend', a tribe name, from Proto-Celtic *windo 'white' + Old High German beraht, Old Saxon berht 'bright' from Proto-Germanic *berhtaz.

France
Latin
c823 Wintbertus (nom) irminon-vol2 101, Palatiolum
Cite as: S.L. Uckelman. "Wintbert". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Wintbert.