1906 - 1937 (31 years)
| Louis 1931-1937 |
| Louis | |
| B: | 1931 |
| D: | 1937 |
| Alexander 1933-1937 |
| Alexander | |
| B: | 1933 |
| D: | 1937 |
Joanna 1936-1939 |
| Joanna | |
| B: | 1936 |
| D: | 1939 |
|
| Grand Duke George Donatus Of Hesse 1906-1937 |
| Grand Duke George Donatus Of Hesse | |
| B: | 1906 |
| D: | 1937 |
| Princess Cecilie Of Greece MOUNTBATTEN 1911-1937 |
| Princess Cecilie Of Greece MOUNTBATTEN | |
| B: | 1911 |
| M: | 1931 |
| D: | 1937 |
