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Dictionary of Medieval Names
from European Sources

Theodemar m. Gothic þiuda 'people, folk' + Old High German, Old Saxon māri from Proto-Germanic *mērijaz 'famous'.

The name of a 5th C king of the Ostrogoths, a 5th C Frankish king, and a 6th C king of Galicia.

Estonia
Middle Low German
1364 Dethmar BbRT p. 334; 1414 Dethmar ibid. p. 347; 1420 Dethmar ibid. p. 349
1428 Tymme BbRT p. 352; 1432 Tymme ibid. p. 356
Germany
Latin
822x875 Thiadmaro (abl) TradCorb §156, Thiadmarus (nom) ibid. §164, Thiatmaro (abl) ibid. §219, Thiatmarus (nom) ibid. §40, Tiadmaro (abl) ibid. §149, Tiadmarus (nom) ibid. §126; 888 Theotmari (gen) HambUrk-vol1 XXII; 1145 Dietmar (nom) mairhofer XIX; 1149 Diethmar (nom) ibid. XXXII; 1210 Dietmari (gen) hennes-vol1 10; 1211 Dietmarus (nom) ibid. 11; 1401 dyetmaro (dat) HD1401 no. 17
Latvia
Latin
1296 Tethmaro (dat) RigSB 255; 1302 Dethmaro (dat) ibid. 197; 1303 Detmarus (nom) ibid. 373
1291 Timmoni (dat) RigSB 392; 1299 Thinnoni (dat) ibid. 367; 1300 Thimmoni (dat) ibid. 415, Timmoni (dat) ibid. 422
Cite as: S.L. Uckelman. "Theodemar". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 2. http://dmnes.org/2015/2/name/Theodemar.