| Mardfeldt, Carl Johann | Konitzky | 1899 | Bremen |
| Mardfeldt, Elisabeth Johanne | Tschuda | 1891 | Bremen |
| Mardfeldt, Friedrich Wilhelm Carl | Tschuda | 1894 | Bremen |
| Mardfeldt, Heinrich Oswald | Tschuda | 1893 | Bremen |
| Mardfeldt, Ilsabetha Cornelia | Konitzky | 1889 | Bremen |
| Mardfeldt, Johannes Emil | Koolmann | 1905 | Bremen 1 |
| Mardfeldt, Marie Elfiede Catharine Christine | Koolmann | 1898 | Bremen |
| Mardfeldt, Oswald Friedrich Heinrich Martin | Koolmann | 1899 | Bremen |
| Mardfeldt, Sophie Mathilde | Tschuda | 1896 | Bremen |