1889 - 1918 (29 Jahre)
1914-
| Wilhelmine Herta Olf | |
| *: | 5 Feb 1914 |
| D-Bochum-Stiepel | |
|
1889-1918
| Anna Maria Wilhelmina Schnupf | |
| *: | 3 Okt 1889 |
| D-Bochum-Stiepel | |
| +: | 10 Nov 1918 |
| D-Bochum-Stiepel | |
1889-
| Gustav Martin Olf | |
| *: | 23 Jun 1889 |
| D-Hattingen-Welper | |
| oo: | 23 Aug 1913 |
| D-Bochum-Stiepel | |
