| Helmine Bonnermann |
| Helmine Bonnermann | |
| *: | 17 Mrz 1910 |
| D-Moers-Hochstrass | |
|
| Caspar Heinrich Bonnermann |
| Caspar Heinrich Bonnermann | |
| *: | 22 Aug 1876 |
| D-Bochum-Stiepel | |
| +: | 21 Aug 1958 |
| D-Moers | |
| Sophie Caroline Catharine Euter | |
| *: | 3 Mai 1873 |
| D-Essen-Holsterhausen | |
| oo: | 4 Sep 1903 |
| D-Bochum-Stiepel | |