| Riekenberg, Albert Robert | Homfeld | 1875 | Bremen |
| Riekenberg, August Friedrich Christian | Riekenberg | 1845 | Bremen |
| Riekenberg, Julius Eduard Adolph | Bartens | 1864 | Bremen |
| Riekenberg, Julius Eduard Adolph | Bartens | 1864 | Hastedt |
| Riekenberg, Robert Heinrich Diedrich | Homfeld | 1874 | Bremen |