1873-1960
| Paul v.Hardenberg | |
| *: | 6 Jan 1873 |
| Kiel | |
| +: | 10 Mrz 1960 |
| Kiel | |
1880-1960
| Ilse v.Witzendorff | |
| *: | 8 Jul 1880 |
| Kiel | |
| +: | 10 Mrz 1960 |
| Kiel | |
|
1832-1909
| Helene v.Hardenberg | |
| *: | 16 Aug 1832 |
| Breslau | |
| +: | 14 Apr 1909 |
| Potsdam | |
1829-1909
| Georg v.Hardenberg | |
| *: | 23 Mai 1829 |
| Frankfurt/O. | |
| +: | 28 Sep 1909 |