| Otto Friedrich Heinrich Hoffmann | |
| *: | 14 Jan 1910 |
| D-Bochum-Stiepel | |
|
1880-
| Emma Laura Schmitz | |
| *: | 8 Nov 1880 |
| D-Bochum-Stiepel | |
1880-1928
| Gustav Heinrich August Hoffmann | |
| *: | 2 Apr 1880 |
| D-Hattingen | |
| oo: | 25 Feb 1905 |
| D-Bochum-Stiepel | |
| +: | 4 Mrz 1928 |
| D-Bochum-Stiepel | |