- Kieffer Nicolas Emile 22/09/1924
- Kieffer Nicolas Joseph 26/08/1922
- Kieffer Norbert 01/10/1921
- Kieffer Norbert 12/10/1921
- Kieffer Paul 20/06/1925
- Kieffer Peter 20/04/1921
- Kieffer Peter 10/08/1923
- Kieffer Pierre
- Kieffer Pierre
- Kieffer Pierre 30/06/1920