| Kosack, Hermanne Henriette Conradine | Hoppe | 1866 | Bremen |
| Kosack, Johann Bernhard | Eddeler | 1853 | Bremen |
| Kosack, Johann Heinrich August | Hoppe | 1862 | Bremen |
| Kosack, Johanne Conradine | Hoppe | 1864 | Bremen |
| Kosack, Johanne Henriette Auguste | Eddeler | 1856 | Bremen |
| Kosack, Margarethe Elisabeth | Eddeler | 1858 | Bremen |