1862 - 
Ernst Emil Knappmann 1891- |
| Ernst Emil Knappmann | |
| *: | 2 Mrz 1891 |
| D-Bochum-Steinkuhl | |
| Elfriede Knappmann 1892- |
| Elfriede Knappmann | |
| *: | 27 Sep 1892 |
| D-Bochum-Steinkuhl | |
|
| Lisette Platzmann 1862- |
| Lisette Platzmann | |
| *: | 3 Sep 1862 |
| D-Bochum | |
| Friedrich Wilhelm Knappmann | |
| *: | 22 Aug 1858 |
| D-Bochum-Steinkuhl | |
| oo: | 25 Okt 1890 |
| D-Bochum | |
