1875 - 1909 (34 Jahre)
| Carl-Dietrich v.Hardenberg 1902-1947 |
| Carl-Dietrich v.Hardenberg | |
| *: | 1902 |
| +: | 1947 |
| Albrecht Friedrich v.Hardenberg 1906-1943 |
| Albrecht Friedrich v.Hardenberg | |
| *: | 8 Aug 1906 |
| +: | 24 Aug 1943 |
| Berlin | |
Ruth v.B 1905- |
| Ruth v.B | |
| *: | 10 Dez 1905 |
| Hannover | |
|
| Albert Georg Edzard v.Hardenberg 1875-1909 |
| Albert Georg Edzard v.Hardenberg | |
| *: | 14 Jun 1875 |
| Hannover | |
| +: | 28 Nov 1909 |
| Clara v.Lieres 1878-1940 |
| Clara v.Lieres | |
| *: | 20 Mrz 1878 |
| Schweidnitz | |
| oo: | 22 Sep 1898 |
| +: | 17 Okt 1940 |
| Rettkau | |
