Prince Igor Constantinovich of Russia (Игорь Константинович) June 1894 – 18 July was the sixth child of HIH Grand Duke Constantine Constantinovich of Russia by his wife Elisaveta Mavrikievna née HH Princess Elisabeth of Saxe-Altenburg.
Mathilde Kschessinska with her son Vova. No one knew which of the two grand dukes, Sergei Michaelovich or Andrei Vladimirovich, was the father. Andrei eventually adopted him. Nicholas ennobled Vova as His Serene Highness Prince Romanovsky-Krasinsky.
Mathilda-Marie Feliksovna Kschessinskaya was perhaps the most notorious ballerina in Imperial Russia. Her love affairs with Nicholas II (before his marriage), and two Grand Dukes gave society much to talk about.