Dictionary of Medieval Names
from European Sources

Bertrick m. Old English beorht, Old High German beraht, Old Saxon berht 'bright' from Proto-Germanic *berhtaz + Old English rīc, Old High German rih 'ruler'.

The name of an 8th C king of Wessex.

England
Latin
796 Beorhtric (nom) CSM p. 2, Beorhtrice (abl) ibid. p. 2
The Netherlands
Latin
796 Berhtrici (gen) OrkGZ no. 16
Cite as: S.L. Uckelman. "Bertrick". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2020, no. 1. http://dmnes.org/2020/1/name/Bertrick.