Dictionary of Medieval Names
from European Sources

Gardwin m. Old Saxon gard, Old High German gart 'enclosure, protection; yard, garden' + Old High German wini 'friend'.

France
Latin
699 Cartwino (abl) DCEL-2 Add. X
Germany
Latin
699 Carduinus (nom) DCEL-2 XI
Cite as: S.L. Uckelman. "Gardwin". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2020, no. 1. http://dmnes.org/2020/1/name/Gardwin.