1878 - 1918 (40 years)
| Marquess David Of Milford Haven MOUNTBATTEN | |
| B: | 1919 |
| D: | 14 Apr 1970 |
1896-1963
| Countess Nadejda | |
| B: | 1896 |
| D: | 1963 |
1892-1938
| Marquess George MOUNTBATTEN | |
| B: | 1892 |
| D: | 1938 |
1910-1931
| George ROMANOV | |
| B: | 1910 |
| D: | 1931 |
|
| Grand Duke Michael "Mischa" Alexandrovich ROMANOV | |
| B: | 1878 |
| D: | 10 Jul 1918 |
| Perm, , , Russia | |
1880-1952
| Natalia SHEREMETEVSKAYA | |
| B: | 1880 |
| M: | Jul 1912 |
| Vienna, , Wien, Austria | |
| D: | 1952 |
