Dictionary of Medieval Names
from European Sources

Otwin m. Old High German ōt, Old Saxon ōd 'wealth, riches' + Old High German wini 'friend'.

France
Latin
1030 Odoinus (nom) StVdM-II 712
Germany
Latin
1216 Odewinus (nom) hennes-vol1 22
Cite as: S.L. Uckelman. "Otwin". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Otwin.