1880 - 
| Lisette Lina Koester 1902- |
| Lisette Lina Koester | |
| *: | 6 Sep 1902 |
| D-Bochum-Stiepel | |
|
| Emilie Sohn 1880- |
| Emilie Sohn | |
| *: | 10 Nov 1880 |
| D-Bochum-Linden | |
August Heinrich Wilhelm Ernst Koester 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 | |
