| Gravenhorst, Anna | Sander | 1912 | Bremen 1 |
| Gravenhorst, Anna Elisabeth | Schmidt | 1908 | Bremen 1 |
| Gravenhorst, August | Sander | 1909 | Bremen 1 |
| Gravenhorst, Charlotte Melusine Sophie | Schröder verw. Hoppe | 1879 | Bremen |
| Gravenhorst, Diedrich Christian Johann | Schmidt | 1901 | Bremen |
| Gravenhorst, Dorothee Marie Catharine | Schmidt genannt Kentrzinsky, von | 1900 | Bremen |
| Gravenhorst, Erwin Luise | Sander | 1911 | Bremen 1 |
| Gravenhorst, Friedrich Bernhard | Schröder | 1884 | Bremen |
| Gravenhorst, Heinrich Johann Wilhelm | Schmidt genannt Kentrzinsky | 1904 | Bremen 1 |
| Gravenhorst, Helene Marie Hermine | Luers | 1902 | Bremen 1 |
| Gravenhorst, Herbert Walter | Schmidt genannt von Kentzinsky | 1911 | Bremen 1 |
| Gravenhorst, Johann Konrad Karl | Luers | 1903 | Bremen 1 |
| Gravenhorst, Johann Konrad Karl | Schröder verw. Hoppe | 1877 | Bremen |
| Gravenhorst, Johanne Eleonore | Schröder | 1887 | Bremen |
| Gravenhorst, Johanne Eleonore | Schröder | 1882 | Bremen |
| Gravenhorst, Karl Heinz | Illgner | 1911 | Bremen 1 |
| Gravenhorst, Susanne Helene Charlotte | Luers | 1905 | Osterholz |