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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 2018, no. 1. http://dmnes.org/2018/1/name/Berlwin.