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Dictionary of Medieval Names
from European Sources

Otbert m. Old High German ōt, Old Saxon ōd 'wealth, riches' + Old High German beraht, Old Saxon berht 'bright' from Proto-Germanic *berhtaz.

Later Italian spellings typically omit the initial t.

France
Latin
745 Odberti (gen) CartStBert 1; c823 Otbertus (nom) irminon-vol2 19, Ved; 989 Otberti (gen) CartSavII 105, Otbertus (nom) ibid. 105; 1018x1032 Odbertus (nom) StVdM-II 666; 1029x1033 Otbertus (nom) CartStPC XII; 1048 Obertus (nom) StVdM-II 737; c1050 Odbertus (nom) ibid. 675; 1067 Othberti (gen) CartNDSaintes XII; 1138x62 Obertus (nom) clairvaux-12thc 71; 1147 Obertus (nom) ibid. 16; 1163–64 Obertus (nom) ibid. 107; 1164 Obertus (nom) ibid. 120; 1179 Oberto (abl) ibid. 179; 1188 Obertus (nom) CartNDdOurscamp XCIV; 1274 Obertus (nom) RHF-VIII p. 60; 1378 Oberto (dat) hanquetvol1 1438
Germany
Latin
828 Otberti (gen) OrkGZ no. 29; 1098 Oberti (gen) quix-vol1 25; 1100 Otberto (nom) ibid. 78; 1103 Obertus (nom) ibid. 62; 1108 Oberto (abl) ibid. 85; 1211 Opertus (nom) hennes-vol1 11; 1218 Obertus (nom) ibid. 30
Italy
Latin
1164 Obertum (acc) Livi p. 41; 1265x1339 Oberti (gen) BBC-Berg 178; 1268 Obertus (nom) ibid. p. XLI; 1276 Obertus (nom) ibid. p. XLII; 1280 Obertus (nom) ibid. p. XLIII; 1282 Obertus (nom) ibid. p. XLVII; 1284 Obertus (nom) ibid. p. XLIII; 1376 Obertho (abl) DouGen1 p. 29, Oberti (gen) ibid. p. 225, Oberto (abl) ibid. p. 23; 1464 Obertus (nom) CUP-III-I CCXXXI
1282 Obertino (abl) DSS5-1-4 I
Cite as: S.L. Uckelman. "Otbert". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2019, no. 1. http://dmnes.org/2019/1/name/Otbert.