1898-
| Georg Bierwirth | |
| *: | 13 Aug 1898 |
| D-Bochum-Stiepel | |
1899-
| Hugo Wilhelm Bierwirth | |
| *: | 11 Nov 1899 |
| D-Bochum-Stiepel | |
1901-
| Emma Hulda Bierwirth | |
| *: | 25 Jan 1901 |
| D-Bochum-Stiepel | |
1897-1970
| Hugo Gernhardt | |
| *: | 15 Dez 1897 |
| D-Bochum-Stiepel | |
| oo: | 17 Jul 1926 |
| D-Bochum-Stiepel | |
| +: | 17 Jan 1970 |
| D-Bochum-Linden-Dahlhausen | |
1903-
| Otto Bierwirth | |
| *: | 22 Okt 1903 |
| D-Bochum-Stiepel | |
1904-
| Hedwig Beulmann | |
| *: | 18 Aug 1904 |
| D-Bochum-Stiepel | |
| oo: | 5 Mrz 1932 |
| D-Bochum-Stiepel | |
|
1874-1939
| Georg Bierwirth | |
| *: | 31 Mrz 1874 |
| D-Bochum-Stiepel | |
| +: | 10 Sep 1939 |
| D-Bochum-Stiepel | |
1875-1951
| Lina Emma Oppenhorst | |
| *: | 7 Mai 1875 |
| D-Bochum-Stiepel | |
| oo: | 25 Mrz 1898 |
| D-Bochum-Stiepel | |
| +: | 30 Okt 1951 |
| D-Bochum | |