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Dictionary of Medieval Names
from European Sources

Reinrich m. Proto-Germanic *ragin 'counsel, might' + Old High German rih 'ruler'.

France
Latin
c823 Ragnericus (nom) irminon-vol2 27, Ved
Cite as: S.L. Uckelman. "Reinrich". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2020, no. 1. http://dmnes.org/2020/1/name/Reinrich.