Hartwin
  m.
  
  Old Saxon hard, Old High German hart 'strong, hard' + Old High German wini 'friend'.
  
  
  
  
- Germany
 
- 
- Latin
 
- ● 1234 Hertwinus (nom) hennes-vol1 89;
 1401 hertwini (gen) HD1401 no. 386
 
 
Cite as: S.L. Uckelman. "Hartwin". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 2. http://dmnes.org/2016/2/name/Hartwin.