1868 - 
1900-1987
| Anna Hardt | |
| *: | 7 Jul 1900 |
| D-Bochum-Stiepel | |
| +: | 7 Okt 1987 |
| D-Bochum | |
1911-
| Herta Hardt | |
| *: | 30 Mai 1911 |
| D-Bochum-Linden-Dahlhausen | |
| Heinrich (Henricus) Hardt | |
| *: | 19 Feb 1868 |
| D-Trier | |
| Wilhelmine Caroline Ketteltasche | |
| *: | 30 Nov 1875 |
| D-Bochum | |
| oo: | 12 Jun 1896 |
| D-Bochum-Stiepel | |
