Dictionary of Medieval Names
from European Sources

Wantelm m. Proto-Germanic *wandilaz, a Germanic tribe name, + Old High German, Old Saxon helm 'helmet'.

France
Latin
1044 Wantelmus (nom) StVdM-II 659
Cite as: S.L. Uckelman. "Wantelm". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Wantelm.