Theudo m. Gothic þiuda 'people, folk' used as a standalone name, or a pet form of any of various names beginning with this element.

Austria

Latin

● 928 Tuto (nom) UrkStyria 18

France

Latin

● 814 Teodo (nom) StVdM-II F20; c823 Teodo (nom) irminon-vol2 9, CE; 942 Teuddi (gen) St-Bernard-Romans 131; 1079x1101 Teudone (abl) CartStPC XXXVII; 1107 Teudo (nom) ibid. V

◑ 1135 Thecelino (abl) clairvaux-12thc 7, Thecelinus (nom) ibid. 7; 1146 Tescelino (abl) CartNDdOurscamp CXII; 1147 Tescelini (gen) clairvaux-12thc 18, Tescelino (abl) ibid. 18, Tescelinus (nom) ibid. 17, Thecelino (abl) ibid. 19; 1158x1170 Tecelinus (nom) ibid. 138; 1179 Tescelino (nom) ibid. 177; 1180 Tiescelino (abl) RotScaNor p. 10, Tiescilino (abl) ibid. p. 11

Germany

Latin

● 904 Tutonis (gen) UrkStyria 13

Hungary

Latin

● 1351 Theutus (nom) CDH-IX-II I

Italy

Latin

● 1092 Teutio (abl) RCI-Cam1 566, Teuzi (gen) ibid. 565, Teuzo (nom) ibid. 565; 1099 Teutio (abl) ibid. 624; 1100 Teuzi (gen) ibid. 629, Teuço (nom) ibid. 630

Poland

Middle High German

● 1336 Ticze SBGlatzer p. 4

Switzerland

Latin

◑ 1161 Tecelinus (nom) CartHaut 10; 1179 Thecelinus (nom) ibid. 24