| Sielmann, Anna Marie | 1921 | Bremen 1 | |
| Sielmann, Anton | 1921 | Bremen 5 (Gröpelingen) | |
| Sielmann, Anton | 1915 | Bremen 1 | |
| Sielmann, Friederike Ulrike | 1926 | Bremen 1 | |
| Sielmann, Heilkelina Maria | 1908 | Bremen 1 | |
| Sielmann, Janna | 1901 | Bremen | |
| Sielmann, Theodore Luise | 1924 | Bremen 1 | |
| Sielmann, Wilhelm Nikolaus Bernhard | 1939 | Bremen-Mitte |