This is the history of the Iusupov family, the offspring of the Nogai rulers. Among members of the family were many Russian courtiers, the last of them was involved in the assassination of Grigorii Rasputin. This book is about their properties, economic activities, education and upbringing, and their relations with the Romanov imperial family. Bibliography. Also available on the subject: Kniaz" Feliks Iusupov: Memuary v Dvukh Knigakh 91998); Kniaz"ia Iusupovy: Kto Oni? (2011); Ivanova, V.I. Drugoi Iusupov: Kniaz" N.B. Iusupov i Ego Vladeniia na Rubezhe XVIII-XIX Stoletii (2012).