Catherine Chislova
Catherine Gavrilovna Chislova (Russian: Екатерина Гавриловна Числова) (September 21, 1846 – December 13, 1889) was a Russian ballerina. She was the mistress of Grand Duke Nicholas Nikolaevich; they had five children.
Read more about Catherine Chislova: Life, Children, Lives of Chislova's Children