| Graventhein, Friedrich Heinrich Robert | 1902 | Bremen 1 | |
| Graventhein, Helene Anna Diederike | Hochherz | 1945 | Bremen-Altstadt |
| Graventhein, Julius Harry | 1942 | Bremen-Mitte | |
| Graventhein, Juta Johanna Ludowika | 1906 | Bremen 1 | |
| Graventhein, Marie Dorothee | 1909 | Bremen | |
| Graventhein, Rudolph Louis Eugen | 1958 | Bremen-Burglesum |