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 2016, no. 4. http://dmnes.org/2016/4/name/Bertulf.