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Dictionary of Medieval Names
from European Sources

Geldwin m. Proto-Germanic *geldą 'reward, gift, money' + Old High German wini 'friend'.

France
Latin
1029x1033 Gelduinus (nom) CartStPC XII; 1120 Gelduino (abl) CartNDJosaphat VIII; 1123 Gelduini (gen) ibid. XII
Cite as: S.L. Uckelman. "Geldwin". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 2. http://dmnes.org/2015/2/name/Geldwin.