| Nikolai Nikolaievich, Grand Duke of Russia, Romanov | |
| B: | 18 Nov 1856 |
| St Petersburg, Russia | |
| D: | 05 Jan 1929 |
| Antibes, Alpes-Maritimes, Provence-Alpes-Cote d'Azur, France | |
| Marina Petrovna Romanov (maid. name Princess of Russia) | |
| B: | 11 March 1892 |
| Nice, Alpes-Maritimes, Provence-Alpes-Cote d'Azur, France | |
| D: | 15 May 1981 |
| Six-Fours-les-Plages, Var, Provence-Alpes-Cote d'Azur, France | |
| Prince Aleksandr Nikolaievich Galitzine |
| Prince Aleksandr Nikolaievich Galitzine | |
| B: | 13 Oct 1885 |
| St Petersburg, Russia | |
| M: | 4 Feb 1927 |
| D: | 24 Mar 1974 |
| Toulon, Stark, Illinois, United States | |
| Roman Petrovich Romanov (maid. name Prince of Russia) | |
| B: | 17 October 1896 |
| Peterhof Palace, Saint Petersburg, Russian Empire | |
| D: | 23 October 1978 |
| Rome, Roma, Lazio, Italy | |
| Sofia Petrovna Romanov (maid. name Princess of Russia) | |
| B: | 3 March 1898 |
| Dulber, Crimea, Russian Empire | |
| D: | 3 March 1898 |
| Dulber, Crimea, Russian Empire | |
| Nadejda Petrovna Romanov (maid. name Princess of Russia) | |
| B: | 3 March 1898 |
| Dulber, Crimea, Russian Empire | |
| D: | 21 April 1988 |
| Chantilly, Oise, Picardie, France | |
| Petr Nikolaievich Romanov |
| Petr Nikolaievich Romanov | |
| B: | 10 Jan 1864 |
| St Petersburg, Russia | |
| D: | 1931 |
| Antibes, Alpes-Maritimes, Provence-Alpes-Cote d'Azur, France | |
| Milica Petrović-Njegoš, Princess of Montenegro | |
| B: | 14 July 1866 |
| Cetinje, Montenegro | |
| M: | 26 July 1889 |
| St Petersburg, Russian Empire | |
| D: | 5 September 1951 |
| Alexandra, Egypt | |
| Alexandra Friederike Wilhelmine von Holstein-Gottorp | |
| B: | 02 Jun 1838 |
| St Petersburg, Russia | |
| D: | 25 Apr 1900 |
| Kiev, Ukraine, Russia | |
| Nicholas Nicholaievitch Romanov | |
| B: | 1831-07-27 |
| Tsarkoje-Selo, Russia | |
| M: | 05 Feb 1856 |
| St. Petersburg, Russia | |
| D: | 1891-04-25 |
| Alupka, Crimea, Russia | |