Dictionary of Medieval Names
from European Sources

Bertrada f. Old High German beraht, Old Saxon berht 'bright' from Proto-Germanic *berhtaz + Old Saxon rād, Old High German rāt 'counsel, advice'.

The name of an 8th C queen of the Franks and a 11th-12th C queen consort of the Franks.

France
Latin
c823 Bertrada (nom) irminon-vol2 109, Palatiolum
Cite as: S.L. Uckelman. "Bertrada". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Bertrada.