1856 - 
1879-1941
| Heinrich Gustav Gronenberg | |
| *: | 19 Feb 1879 |
| D-Bochum-Stiepel | |
| +: | 21 Apr 1941 |
| D-Witten | |
| Friedrich Wilhelm Gronenberg | |
| *: | 9 Jul 1881 |
| D-Bochum-Stiepel | |
| Friedrich Wilhelm Gronenberg | |
| *: | 25 Jun 1883 |
| D-Bochum-Stiepel | |
1885-1952
| August Heinrich Gronenberg | |
| *: | 10 Mrz 1885 |
| D-Bochum-Stiepel | |
| +: | 24 Mrz 1952 |
| D-Witten | |
1886-1940
| Ewald Gronenberg | |
| *: | 28 Okt 1886 |
| D-Bochum-Stiepel | |
| +: | 24 Jan 1940 |
| D-Bochum-Langendreer | |
|
| Friedrich W i l h e l m Gronenberg | |
| *: | 14 Feb 1856 |
| D-Bochum-Stiepel | |
| C a r o l i n e Friederike Alwine Krunke | |
| *: | 26 Mrz 1849 |
| D-Bochum-Stiepel | |
| oo: | 7 Jan 1879 |
| D-Bochum-Stiepel | |
