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Dictionary of Medieval Names
from European Sources

Huldwin m. Old High German hold 'friendly, comely, graceful' + Old High German wini 'friend'.

France
Latin
1135 Hulduinus (nom) clairvaux-12thc 7; 1138x48 Hulduinus (nom) ibid. 21
Cite as: S.L. Uckelman. "Huldwin". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Huldwin.