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Dictionary of Medieval Names
from European Sources

Gundwin m. Old High German gund 'war, battle' + Old High German wini 'friend'.

France
Latin
699 Gundwino (abl) DCEL-2 Add. X; 1180 Gonduino (abl) RotScaNor p. 21
Germany
Latin
699 Gundoino (abl) DCEL-2 XI
Cite as: S.L. Uckelman. "Gundwin". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 2. http://dmnes.org/2015/2/name/Gundwin.