| Siek, Emma Luise Auguste | Düvelmeyer | Siek Heinrich Wilhelm | 1974 |
| Siek, Heinrich | Siek Johann Friedrich | 1903 | |
| Siek, Heinrich Wilhelm | 1946 | ||
| Siek, Herm. | 1891 | ||
| Siek, Hermann | 1915 | ||
| Siek, Joh. Friedr. | 1897 | ||
| Siek, Manuela | 1966 | ||
| Siek, Marie | Franke | Siek Friedrich Wilhelm | 1946 |