Countess Elena Grigorievna Stroganova (1852-1912), the 2nd Child of Grand Duchess Maria Nikolaevna (1819–1876) Russia by her 2nd husband Count Grigori Stroganov (1824-1879) Russia. Her Mother Maria was the 2nd Child of Tsar Nicholas I (Nicholas Pavlovich Romanov) (1796-1855) Russia & wife Princess Charlotte (Frederica Louise Charlotte Wilhelmina) (renamed Alexandra Feodorovna) (1798-1860) Prussia.