| | Alexandre ISKANDER 1889–1957 Olga Iosifovna ROGOVSKY 1893– Natalia Constantinovna KHANYKOV 1893–1982 | | | | Nicolas ROMANOV 1850–1918 Nadejda Alexandrovna von DREYER 1861–1929 | | | | Constantin ROMANOV 1827–1892 Alexandra de SAXE-ALTENBOURG 1830–1911 | | | | Nicolas 1er ROMANOV 1796–1855 Charlotte (Alexandra Feodorovna) de HOHENZOLLERN 1798–1860 | | |
| | | Joseph de SAXE-ALTENBOURG 1789–1868 Amélie de WURTEMBERG 1799–1848 | | |
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