Dictionary of Medieval Names
from European Sources

Bernwis f. Old High German, Old Saxon bero 'bear' biorn, bjorn, bjǫrn >> Old Norse bjǫrn 'bear' + Old Saxon widu, wido, Old High German witu 'wood'.

France
Latin
1179 Bernuydi (abl) clairvaux-12thc 177
Cite as: S.L. Uckelman. "Bernwis". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2021, no. 1. http://dmnes.org/2021/1/name/Bernwis.