
| Wilhelm Eduard KÖSTER | |
| *: | 30 Jul 1887 |
| Altona, Hamburg, Hamburg, Germany | |
| +: | UNKNOWN |
| Hinrich Eduard KÖSTER | |
| +: | UNKNOWN |
| Friederike Meta Dorothea MOHNS | |
| *: | 21 Aug 1852 |
| Teterow, Gustrow, Mecklenburg-Vorpommern, Germany | |
| +: | 8 Nov 1903 |
| Hamburg, Hamburg, Hamburg, Germany | |