Prince Felix Felixovich Yusupov, Count Sumarokov-Elston, Lived1887-1967. Son of Count Felix Felixovich Sumarokov-Elston and Princess Zenaida Nikolaievna Yusupova. Married Princess Irina Alexandrovna of Russia. Best known for participating in the murder of Grigori Rasputin, the faith healer who was said to have influenced decisions of Tsar Nicholas II and Tsaritsa Alexandra Feodorovna. Escaped the Revolution, died in Paris.