Mariya Isakova (1853-1922) (1853–1922) Parents Anna Lopukhina Nikolay Isakov Children Sofya Vasilchikova Georgy Vasilchikov Nikolay Vasilchikov Illarion Vasilchikov Siblings Sergey Isakov Vasily Isakov Yekaterina Isakova Pyotr Isakov Partners Sergei Vasilchikov