Dictionary of Medieval Names
from European Sources

Bonadeus m. Latin bonus 'good' + Latin deus 'God'.

Italy
Latin
1265x1339 Bonadei (gen) BBC-Berg 1231, Bonadey (gen) ibid. 978; 1291 Bonadeus (nom) ibid. p. XLIV
Cite as: A. Brown, S.L. Uckelman. "Bonadeus". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2023, no. 1. http://dmnes.org/2023/1/name/Bonadeus.