1902-
| Lisette Lina Koester | |
| *: | 6 Sep 1902 |
| D-Bochum-Stiepel | |
|
1880-
| Emilie Sohn | |
| *: | 10 Nov 1880 |
| D-Bochum-Linden | |
1877-1957
| August Heinrich Wilhelm Ernst Koester | |
| *: | 11 Mrz 1877 |
| D-Bochum-Linden | |
| oo: | 24 Mai 1902 |
| D-Bochum-Stiepel | |
| +: | 20 Mrz 1957 |
| D-Bochum-Linden-Dahlhausen | |