Dictionary of Medieval Names
from European Sources

Bonald m. Latin bonus 'good, kind, right, pleasant; valid, useful, healthy' + Old Saxon wald, Old High German walt 'power, authority'.

France
Latin
1060 Bonaldi (gen) StVdM-II 730
Cite as: A. Brown, S.L. Uckelman. "Bonald". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2020, no. 1. http://dmnes.org/2020/1/name/Bonald.