| Siggelkow, Adolfine Marie | Schwenke | 1895 | Bremen |
| Siggelkow, Adolph Friedr. | Möller | 1878 | Bremen |
| Siggelkow, Albert Johann | Menken | 1908 | Bremen 1 |
| Siggelkow, Anna Magdalena | 1907 | Aumund | |
| Siggelkow, Anna Wilhelmine | Möller | 1877 | Bremen |
| Siggelkow, Christiane Wilhelmine Johanne | Neumann | 1906 | Bremen 1 |
| Siggelkow, Clara | Hansen | 1911 | Aumund I |
| Siggelkow, Clara Marie | Hansen | 1910 | Aumund I |
| Siggelkow, Ferdinand | Neumann | 1904 | Bremen 1 |
| Siggelkow, Friedrich Ferdinand | Neumann | 1902 | Bremen 1 |
| Siggelkow, Fritz Otto Paul | 1904 | Lesum | |
| Siggelkow, Georg Ludwig Karl | Menken | 1911 | Bremen 1 |
| Siggelkow, Karl Theodor | Keuneke | 1909 | Vegesack |
| Siggelkow, Magdalene | Hansen | 1908 | Aumund , Aumund I |
| Siggelkow, Marie Helene | Möller | 1880 | Bremen |
| Siggelkow, Marie Sophie | Neumann | 1908 | Bremen 1 |