The House of Yusupov is a Russian princely family descended from the monarchs of the Nogai Horde, renowned for their immense wealth, philanthropy and art collections in the 18th and 19th centuries. Most notably, Prince Felix Yusupov was famous for his involvement in the murder of Grigori Rasputin.

Prince Felix Felixovich Yusupov, Count Sumarokov-Elston was a Russian aristocrat from the Yusupov family who is best known for participating in the assassination of Grigori Rasputin and for marrying Princess Irina Alexandrovna, a niece of Tsar Nicholas II.