| Olthoff, Adolph Georg | Lindhorn | 1857 | Bremen |
| Olthoff, Amalia Friederike Louise Wilhelmine | Pietsch | 1843 | Bremen |
| Olthoff, Carl Wilhelm Heinrich Gottlieb | Wulfmeyer | 1821 | Bremen |
| Olthoff, Catharine Margarethe | Lindhorn | 1861 | Bremen |
| Olthoff, Dethard Diedrich Bernhard | Lindhorn | 1854 | Bremen |
| Olthoff, Ehlert Wilhelm | Pietzsch | 1847 | Bremen |
| Olthoff, Johann Friedrich | Wulfmeier | 1815 | Bremen |
| Olthoff, Johann Friedrich | Pietzsch | 1853 | Bremen |
| Olthoff, Johann Friedrich Wilhelm | Wulfmeyer | 1824 | Bremen |
| Olthoff, Johann Friedrich Wilhelm | Lindhorn | 1852 | Bremen |
| Olthoff, Sophie Wilhelmine Margarethe | Lindhorn | 1864 | Bremen |