Zinaida Nikolaievna Princess Yusupova

Метрическая запись о браке графа Феликса Сумарокова-Эльстона с княжной Зинаидой Николаевной Юсуповой. ЦГИА СПб. ф.19. оп.125. д. 387. Метрические книги церкви Св. Двенадцати апостолов при Главном управлении почт и телеграфов

Википедия RU

http://en.wikipedia.org/wiki/Zenaida_Nikolaievna_Yusupova

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Princess Zinaida Nikolaievna Yusupova, (Russian: Зинаида Николаевна Юсупова; 2 September 1861, Saint Petersburg, Russian Empire – 24 November 1939, Paris, France), (variously transliterated from Russian as Yussupov, Yossopov, Iusupov, Youssoupov, Youssoupoff), was a Russian noblewoman best known as the mother of Prince Felix Yussupov, the murderer of Rasputin.

The greatest Russian heiress of her day, and the last of her line at the House of Yusupov, she married Count Felix Nikolaievich Sumarokov-Elston. As a leading figure in pre-Revolutionary Russian society, she was famed for her beauty and the lavishness of her hospitality. In private, she became a severe critic of Empress Alexandra Fyodorovna. Her eldest son Nicholas was killed in a duel, an event which cast a shadow over the remainder of her life. Following the Russian Revolution she and her husband lived in Rome. After his death she moved to Paris, dying there in 1939.