Felix Yusupov

KnyazFelix Felixovich Yusupov, Count Sumarokov-Elston (Russian: Князь Фе́ликс Фе́ликсович Юсу́пов, Граф Сумаро́ков-Эльстон; 23 March[O.S. 11 March] 1887 – 27 September 1967) was a Russian aristocrat from the House of Yusupov who is best known for participating in the assassination of Grigori Rasputin and for marrying Princess Irina Alexandrovna, a niece of Emperor Nicholas II.