(2 September 1861, Saint Petersburg, Russia – 24 November 1939, Paris, France) married Count Felix Felixovich Sumarokov-Elston (5 October 1856, Saint Petersburg, Russia – 10 June 1928, Rome, Italy), General-Governor of Moscow Military District (1915), son of Count Felix Nikolaievich Sumarokov-Elston. They married on 4 April 1882 in Saint Petersburg. After his father-in-law died, Felix was granted special permission from Tsar Alexander III to carry the title Prince Yusupov and Count Sumarokov-Elston and to pass it to his and Zinaida's heir. Felix was appointed adjutant to the Grand Duke Sergei Alexandrovich in 1904 and commanded the cavalry of the Imperial Guards. At the beginning of World War I the Yusupovs owned more than 100,000 acres (400 km²) of land and their industries included sugarbeet factories, brick plants, saw-mills, textile and cardboard factories, mines and distilleries, in addition to more than 16 palaces and estates. The Yusupovs left an imprint on the economic and social development of Rakitnoe. They owned mechanical and agricultural shops, enterprises for tanning sheepskin, cloth, lace and two carpet factories, wind and mechanical mills, forges, parochial schools and railway, a district hospital, houses in the village and Rakitno GEST at the railway junction, the palace complex with a magnificent park and three cascading ponds, the Church of the Assumption and St. Nicholas Church in the village Rakitno; paved roads and a railway station was built. The older son of Zinaida and Felix Sumarokov-Elston, Nikolay Felixovich Yusupov (1883–1908) was killed in a duel at the age of 26. Felix Yusupov, Count Sumarokov-Elston, the younger son of Zinaida and Felix Sumarokov-Elston. He is famous for his involvement in the murder of Grigori Rasputin. Felix Yusupov married Princess Irina, niece of the last Russian Tsar, Nicholas II and a great-granddaughter of King Christian IX. After the murder of Rasputin he was exiled to the Crimea, but returned to St. Petersburg in 1917 to find the city in massive disorder after the February Revolution. He took with him some of his most precious paintings by Rembrandt and jewellery. In April 1919, he left Russia for Paris, never to return. His daughter, Irina, married Count Sheremetev's descendant. They moved to Greece with their children, although recently they were granted Russian citizenship by the Russian President. Princess Irina Felixovna Yusupova died on 30 August 1983 at Cormeilles in France. She was buried alongside her paternal grandparents and her parents at the cemetery Sainte-Geneviève-des-Bois