Grand Duchess Olga Feodorovna of Russia, born in 1839 to Grand Duke Leopold of Baden and Princess Sophie of Sweden. She married Grand Duke Mikhail Nikolaievich, the youngest son of Tsar Nicholas I of Russia.
Princess Victoria Melita-first wife of Empress Alexandras brother Grand Duke Ernst (he was gay)-she left him to marry Grand Duke Kyrill who would later proclaim himself Tsar in Exile after the revolution
Prince Rostislav Alexandrovich of Russia was a member of the Imperial Family of Russia. Prince Rostislav was the son of HIH the Grand Duke Alexander Mikhailovich ‘Sandro’ & HIH the Grand Duchess Xenia Alexandrovna