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Dictionary of Medieval Names
from European Sources

Ansoin m. Old High German *ans, ans-, ansi- 'god, deity' + Old High German wini 'friend'.

Cf. Oswin.

France
Latin
c823 Ansoinus (nom) irminon-vol2 16, Palatiolum
Cite as: S.L. Uckelman. "Ansoin". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2019, no. 1. http://dmnes.org/2019/1/name/Ansoin.