| Olthoff, Adolph Georg | 1887 | Bremen | |
| Olthoff, Antje Taletta Alberta | 1897 | Bremen | |
| Olthoff, Dethard Diedr. Bernh. | 1879 | Bremen | |
| Olthoff, Dethard Diedr. Bernh. | 1881 | Bremen | |
| Olthoff, Ehlert Wilhelm | 1902 | Bremen 1 | |
| Olthoff, Emilie Louise Wilhelmine Sophie | Möller | 1918 | Bremen 1 |
| Olthoff, Frieda Elisabeth | 1942 | Bremen-Hemelingen | |
| Olthoff, Heinrich | 1928 | Bremen 1 | |
| Olthoff, Helena Charlotte | Kunz | 1885 | Bremen |
| Olthoff, Hermine Gebkaline Christine | 1906 | Bremen 1 | |
| Olthoff, Hiskea Wopkemina Emdina genannt Käthe | 1914 | Bremen 4 (Walle) | |
| Olthoff, Joh. Friedr. Wilh. | 1887 | Bremen | |
| Olthoff, Joh. Friedr. Wilh. | 1925 | Bremen 1 | |
| Olthoff, Johann Janssen | 1941 | Bremen-Mitte | |
| Olthoff, Johanne Friederike Wilhelmine | 1902 | Bremen, Bremen 1 | |
| Olthoff, Johannes Tobias | 1879 | Bremen | |
| Olthoff, Klaarke | 1879 | Bremen | |
| Olthoff, Marie Elise | Kämper | 1887 | Bremen |
| Olthoff, Petrus Amandus | 1915 | Bremen 1 | |
| Olthoff, Sophie Wilh.e Margarethe | 1922 | Bremen 1 |