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Dictionary of Medieval Names
from European Sources

Reintilde f. Proto-Germanic *ragin 'counsel, might' + Old High German hiltja 'battle'.

France
Latin
c823 Ragentildis (nom) irminon-vol2 34, Palatiolum
Cite as: J. Uckelman, S.L. Uckelman. "Reintilde". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 3. http://dmnes.org/2016/3/name/Reintilde.