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Dictionary of Medieval Names
from European Sources

Adalgard m. Old High German adal 'noble' + Old Saxon gard, Old High German gart 'enclosure, protection; yard, garden'.

The Netherlands
Latin
838 Edelgardi (gen) OrkGZ no. 33
Switzerland
Latin
1235 Adelgardus (nom) CLC p. 46
Cite as: S.L. Uckelman. "Adalgard". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2019, no. 1. http://dmnes.org/2019/1/name/Adalgard.