| Kosch, Elsa Frieda | Koziol | 1907 | Bremen 1 |
| Kosch, Else Anna Helene | Schmidt | 1910 | Bremen 1 |
| Kosch, Heinrich Friedrich | Koziol | 1909 | Bremen 1 |
| Kosch, Johanne Pauline | Koziol | 1911 | Bremen 1 |
| Kosch, Karl Max Robert | Kampschmieder | 1905 | Bremen 1 |
| Kosch, Klara Emma | Koziol | 1905 | Bremen 1 |