Dictionary of Medieval Names
from European Sources

Bertulf m. Old High German beraht, Old Saxon berht 'bright' from Proto-Germanic *berhtaz + Old High German wolf, Gothic wulf 'wolf'.

The name of two German saints from the 7th and 8th C.

Belgium
Latin
1110 Bertulfus (nom) CartStBert 4
France
Latin
814 Bertulfus (nom) StVdM-II F13; c823 Bertulfus (nom) irminon-vol2 34, Wan
Germany
Latin
1135 Bertolfus (nom) quix-vol1 95; 1137 Bertulfi (gen) ibid. 102; 1173 Bertholphus (nom) ibid. 99; 1192 Bertolphus (nom) ibid. 40
Switzerland
Latin
1157 Bertolfus (nom) CartHaut 7; 1165 Bertulfo (abl) ibid. 16
Cite as: S.L. Uckelman. "Bertulf". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Bertulf.