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Dictionary of Medieval Names
from European Sources

Theodeger m. Gothic þiuda 'people, folk' + Old High German, Old Saxon gēr 'spear'.

The Netherlands
Latin
838 Theodgarium (acc) OrkGZ no. 33; 855 Thiatger (nom) ibid. no. 45
Cite as: S.L. Uckelman. "Theodeger". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2020, no. 1. http://dmnes.org/2020/1/name/Theodeger.