Dictionary of Medieval Names
from European Sources

Madalwin m. Old High German, Old Saxon mahal 'council, meeting' + Old High German wini 'friend'.

France
Latin
c823 Madaluinus (nom) irminon-vol2 68
Cite as: S.L. Uckelman. "Madalwin". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Madalwin.