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Dictionary of Medieval Names
from European Sources

Walerard m. Old Frankish, Old German walh 'foreigner, stranger; slave' from Proto-Germanic *walhaz, from a Celtic tribal name + Old Saxon hard, Old High German hart 'strong, hard'.

France
Latin
1378 Walerardi (gen) hanquetvol1 863
Cite as: S.L. Uckelman. "Walerard". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 3. http://dmnes.org/2016/3/name/Walerard.