1892 - 1980 (88 years)
1955-1989
| Prince Ludwig Rudolph HANOVER | |
| B: | 28 Nov 1955 |
| D: | 29 Nov 1989 |
1962-1989
| Countess Isabella Valsassina VON_THURN | |
| B: | 1962 |
| M: | Sep 1988 |
| D: | 29 Nov 1989 |
| Prince Ernest Augustus Of Hanover HANOVER | |
| B: | 1914 |
| D: | 1987 |
1925-1980
| Ortrud Of Schleswig- Holstein | |
| B: | 1925 |
| D: | 1980 |
1947-1981
| Guelph HANOVER | |
| B: | 1947 |
| D: | 1981 |
1917-1981
| Princess Frederica Of Hanover HANOVER | |
| B: | 18 Apr 1917 |
| Blankenburg, Harz, Germany | |
| D: | 6 Feb 1981 |
| Madrid, Spain | |
1901-1964
| Paul I OLDENBURG, King Of Greece | |
| B: | 14 Dec 1901 |
| Athens, , Anatolikis Attik?s, Greece | |
| D: | 6 Mar 1964 |
| Tatoi, Near Athens, Greece | |
1919-1981
| Christian HANOVER | |
| B: | 1919 |
| D: | 1981 |
|
1892-1980
| Victoria Louise Of Prussia | |
| B: | 1892 |
| D: | 1980 |
| Duke Ernest Augustus Of Brunswick HANOVER | |
| B: | 1887 |
| M: | 1913 |
| D: | 1953 |
