Dictionary of Medieval Names
from European Sources

Betto m. A hypocoristic of any of various names containing Old High German beraht, Old Saxon berht 'bright' from Proto-Germanic *berhtaz.

Austria
Latin
c1030 Petto (nom) UrkStyria 48
776 Pezzila (nom) FRA-XXXL 4; c1050 Pezili (nom) UrkStyria 58; c1066 Pezili (nom) ibid. 68; c1100 Pecelin (nom) ibid. 92
France
Latin
695 Bettonis (gen) DCEL-2 Add. VII; 699 Bettuni (abl) ibid. Add. X; 700 Betune (abl) ibid. XIV; 814 Beto (nom) StVdM-II G1; 1038 Beto (nom) ibid. 719; 1060 Beto (nom) ibid. 730
697 Bettolinus (nom) DCEL-2 Add. IX; 699 Bettolinus (nom) Chart7th p. 570; 780 Bettholinus (nom) CartNoaille I
Germany
Latin
c1070 Pecili (nom) UrkStyria 72
Italy
Latin
827 Petto (nom) FRA-XXXL 11; 828 Petto (nom) ibid. 12; 1265x1339 Betti (gen) BBC-Berg 175; 1366 Betti (gen) Livi 3
827 Pezzi (nom) FRA-XXXL 11; 1265x1339 Betini (gen) BBC-Berg 139
Cite as: S.L. Uckelman. "Betto". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2018, no. 1. http://dmnes.org/2018/1/name/Betto.