| Furthmann, Dorothee Sophie Adele | Döpke | Furthmann Friedrich | 1906 |
| Furthmann, Friederike Wilheline | Schmiedekamp | Furthmann Friedrich | 1967 |
| Furthmann, Friedrich | 1894 | ||
| Furthmann, Friedrich | 1944 | ||
| Furthmann, Friedrich Gustav | 1951 | ||
| Furthmann, Friedrich Hermann | Furthmann Johann Wilhelm | 1905 | |
| Furthmann, Friedrich Wilhelm | 1918 | ||
| Furthmann, Heinr. | Furthmann Friedrich | 1876 | |
| Furthmann, Heinr. Max Emil | Furthmann Friedr. | 1889 | |
| Furthmann, Ida | Kohl | Furthmann Friedrich | 1912 |
| Furthmann, Johann Wilhelm | Furthmann Johann Wilhelm | 1906 | |
| Furthmann, Johann Wilhelm | 1946 | ||
| Furthmann, Johanne Henriette | Rehberg | Furthmann Friedrich Gustav | 1950 |
| Furthmann, Meta | Rauer | Furthman Johann Wilhelm | 1952 |
| Furthmann, todtgeb. | Furthmann Friedrich | 1878 |