| Mertz, Anna Elisabeth | 1865 | Bremen | |
| Mertz, Anna Margarethe Sophie | 1861 | Bremen | |
| Mertz, Christian Friederich | 1829 | Bremen | |
| Mertz, Christian Friedrich | 1837 | Bremen | |
| Mertz, Christian Friedrich | 1864 | Bremen | |
| Mertz, Christiane Friederike | 1871 | Bremen | |
| Mertz, Johann Christian | 1837 | Bremen | |
| Mertz, Johann Christian | 1845 | Bremen |