| Köhncke, Diedrich | 1897 | Bremen | |
| Köhncke, Egon-Joseph Minita Teodoro Walter Wilhelm Karl Reinhold | 1940 | Bremen-Mitte | |
| Köhncke, Ernestine Cath. e B. | 1886 | Bremen | |
| Köhncke, Oscar Rodolfo | 1939 | Freie Hansestadt Bremen | |
| Köhncke, Paul Georg Heinr. Jac. | 1894 | Bremen | |
| Köhncke, Susanne Cornelia Elisabeth | Wellermann | 1934 | Bremen 1 |