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Dictionary of Medieval Names
from European Sources

Theodeher m. Gothic þiuda 'people, folk' + Old High German heri 'host, army'.

France
Latin
c823 Teodarus (nom) irminon-vol2 38, Gaugiacum, Teutharius (nom) ibid. 59, Ved
Germany
Latin
937 Thietharii (gen) HambUrk-vol1 XXXII; 1281 Dietherus (nom) UrkHeil1 31a; 1401 dethero (dat) HD1401 no. 232
1262 Dietherus (nom) hennes-vol1 195
Middle High German
1293 Thieter (nom) UrkHeil1 51, Thiether (nom) ibid. 51
Cite as: S.L. Uckelman. "Theodeher". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2018, no. 1. http://dmnes.org/2018/1/name/Theodeher.