1870 - 
1893-1893
| Friederike Lisette Hulda Haardt | |
| *: | 28 Jul 1893 |
| D-Bochum-Stiepel | |
| +: | 7 Sep 1893 |
| D-Bochum-Stiepel | |
1911-
| Hans Erich Haardt | |
| *: | 25 Nov 1911 |
| D-Wattenscheid-Hoentrop | |
|
1870-
| Heinrich Gustav Haardt | |
| *: | 8 Jul 1870 |
| D-Bochum-Stiepel | |
1866-
| Hulda Hellmann | |
| *: | 9 Jul 1866 |
| D-Hattingen | |
| oo: | 15 Okt 1892 |
| D-Bochum-Stiepel | |
