| Graventhein, Elfriede Juta Marie | Howe | 1900 | Bremen |
| Graventhein, Elfriede Wilma | Helmers | 1905 | Osterholz |
| Graventhein, Friedrich Heinrich Robert | Howe | 1902 | Bremen, Bremen 1 |
| Graventhein, Juta Johanne Ludovika | Howe | 1905 | Bremen 1 |
| Graventhein, Marie Dorothee | Howe | 1903 | Bremen 1 |