Dictionary of Medieval Names
from European Sources

Berlwin m. An elongation of Old High German, Old Saxon bero 'bear' + Old High German wini 'friend'.

France
Latin
c823 Berloinus (nom) irminon-vol2 23, Ved
Poland
Latin
1232 Berlewinus (nom) hennes-vol1 87
Cite as: S.L. Uckelman. "Berlwin". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Berlwin.