| Sieck, Aug. Ernst Adolph | Horn | 1899 | Bremen |
| Sieck, Frieda Erna | 1899 | Blumenthal | |
| Sieck, Friederike Conradine | 1899 | Lesum | |
| Sieck, Friedrich Wilhelm | 1895 | Lesum | |
| Sieck, Gesine Dorothea | 1882 | Lesum | |
| Sieck, Gesine Dorothee | Thielhelm | 1884 | Walle |
| Sieck, Heinr. Wilh. | Thielhelm | 1883 | Bremen |
| Sieck, Heinrich Christoph | 1897 | Blumenthal | |
| Sieck, Johann Friedrich | 1884 | Lesum | |
| Sieck, Louise Friederike Bernhardine | 1880 | Lesum | |
| Sieck, Louise Margarethe | 1893 | Blumenthal | |
| Sieck, Louise Wilhelmine Friederike | 1886 | Lesum | |
| Sieck, Louise Wilhelmine Friederike | 1888 | Lesum | |
| Sieck, Louise Wilhelmine Friederike | 1891 | Lesum | |
| Sieck, Maria Ida | 1890 | Blumenthal | |
| Sieck, Martha Anna | Horn | 1904 | Bremen 1 |
| Sieck, Wilhelm | 1885 | Lesum | |
| Sieck, Wilhelm | 1888 | Lesum | |
| Sieck, Wilhelm | 1897 | Lesum | |
| Sieck, Wilhelm | Sieck | 1885 | Bremen |
| Sieck, Wilhelmine Louise Friederike | 1877 | Lesum |