| Siever, Auguste Louise Emma | 1901 | Bremen | |
| Siever, Elise Friederike Eleonore Wilhelmine | 1903 | Bremen 1 | |
| Siever, Emma Susanne Luise | 1892 | Lesum | |
| Siever, Friedrich Christian | 1889 | Niedervieland | |
| Siever, Heinrich Wilhelm Robert | 1936 | Bremen 2 (Gröpelingen) | |
| Siever, Helene | 1884 | Woltmershausen | |
| Siever, Johann | 1932 | Bremen 1 | |
| Siever, Karola Sofie Frieda Friederike Anna Emilie | 1919 | Bremen 1 | |
| Siever, Meta Johanne | 1928 | Lesum |