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Dictionary of Medieval Names
from European Sources

Warnulf m. A derivative of Old Saxon waru, Old High German wara 'protection, watch' + Old High German wolf, Gothic wulf 'wolf'.

France
Latin
1055 Garnulfus (nom) StVdM-II 739
Cite as: S.L. Uckelman. "Warnulf". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Warnulf.