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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 2015, no. 3. http://dmnes.org/2015/3/name/Otwin.