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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.

Austria
Latin
c12thC Dietmar (nom) GCSStFl p. 193
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
France
Latin
c823 Teutmarus (nom) irminon-vol2 9, CE
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, Thietmaro (abl) CDL-1.1.1 IV; 1211 Dietmarus (nom) hennes-vol1 11; 1255 Dymari (gen) ibid. 157; 1259 Tetmarus (nom) CDL-1.1.1 XXXI; 1342 Dethmarus (nom) UrkHan 6; 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
Poland
Middle High German
1336 Ditmars (gen) SBGlatzer p. 4
Cite as: S.L. Uckelman. "Theodemar". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Theodemar.