| Original title | Slægternes Kamp | 
|---|---|
| Danish title | Slægternes Kamp | 
| International titles | The Battle of the Houses | 
| Leikstjórn | Ernst Dittmer | 
| Director of Photography | Ernst Dittmer | 
| Production designer | J. Madsen Visnek | 
| Appearance | Nicolai Johannsen, Anna Margrethe Molstadt, Judith Brun, Viggo Wiehe | 
| Land | Danmark | 
| Domestic distribution | Kinografen | 
| Technical info | 1670 meter, 35 mm, 1,33:1, Sort-hvid, Stum | 
| Danish theatrical release | 04.04.1918 | 
| Cinemas | Kinografen | 
      Companies | 
  |
| Production company | Alhambra Film | 
| Domestic distribution | Kinografen | 
| 
       | 
  |
      Instruktion | 
  |
| Instruktion | Ernst Dittmer | 
| 
       | 
  |
      Foto | 
  |
| Foto | Ernst Dittmer | 
| 
       | 
  |
      Produktionsdesign | 
  |
| Produktionsdesign | J. Madsen Visnek | 
| 
       | 
  |
      Medvirkende | 
  |
| Ejvin Nordeck | Nicolai Johannsen | 
| Fyrstinde Jadviga | Anna Margrethe Molstadt | 
| Wanda Morensky | Judith Brun | 
| Ejvins far | Viggo Wiehe | 
| Withold, Ejvins formynder | Knud Rassow | 
| Leo Morensky, Ejvins halvbror | E. Krarup | 
| Osieki, krybskytte | Alfred Osmund | 
| Dr. Ems, Ejvins lærer | Mischa Krettingen | 
| Patrik, tjener | Carl Hintz | 
| Medvirkende | Oscar Nielsen | 
| Medvirkende | Louis Møller | 
| 
       | 
  |