| Gravenhorst, Anna | 1930 | Bremen 1 | |
| Gravenhorst, August | 1937 | Bremen 1 | |
| Gravenhorst, Carl Heinrich | 1876 | Bremen | |
| Gravenhorst, Charl. Mel. Soph. | 1891 | Bremen | |
| Gravenhorst, D.Chr.Joh. | 1880 | Bremen | |
| Gravenhorst, Diedrich Christian Johann | 1930 | Bremen 1 | |
| Gravenhorst, Erwine Luise | 1933 | Bremen 1 | |
| Gravenhorst, Friedrich Bernhard | 1909 | Bremen 1 | |
| Gravenhorst, Harry Aug. Heinr. | 1910 | Bremen 1 | |
| Gravenhorst, Helene Marie Hermine | 1939 | Freie Hansestadt Bremen | |
| Gravenhorst, Herbert Walter | 1938 | Bremen 1 | |
| Gravenhorst, Joh. Diedr. Christian | 1899 | Bremen | |
| Gravenhorst, Joh. Konr. Karl | 1902 | Bremen 1 | |
| Gravenhorst, Johann Konrad Karl | 1908 | Bremen 1 | |
| Gravenhorst, Johanne Eleonore | 1911 | Bremen 1 | |
| Gravenhorst, Karl Heinz | 1937 | Oberneuland-Rockwinkel | |
| Gravenhorst, Karl Johann Konrad | 1936 | Bremen 1 | |
| Gravenhorst, Kurt Hans | 1940 | Bremen-Mitte | |
| Gravenhorst, Susanne Hel. Charl. | 1877 | Bremen |