1859 - 
1883-1952
| Gustav Gronenberg | |
| *: | 22 Mai 1883 |
| D-Bochum-Stiepel | |
| +: | 1 Jul 1952 |
| D-Herzogenrath | |
|
1859-
| Heinrich Gronenberg | |
| *: | 5 Okt 1859 |
| D-Bochum-Weitmar | |
| Caroline Lisette (Sibylle) Nottebaum (Nussbaum) | |
| *: | 28 Feb 1842 |
| D-Hattingen | |
| oo: | 7 Apr 1883 |
| D-Bochum-Stiepel | |
