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Dictionary of Medieval Names
from European Sources

Wilrich m. Old High German willo 'will' + Old High German rih 'ruler'.

Germany
Latin
790x814 Willericus (nom) HambUrk-vol1 III; 834 Willerico (abl) ibid. VIII
Cite as: S.L. Uckelman. "Wilrich". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Wilrich.