Nikolay Sumarokov-Elston (1857-1908) (1861–1908) Parents Yelena Sumarokova Felix Sumarokov-Elston Children Mikhail Sumarokov-Elston Yelena Sumarokova-Elston Nikolay Sumarokov-Elston Siblings Pavel Sumarokov-Elston Yelizaveta Sumarokova-Elston Sergey Sumarokov-Elston Alexandra Sumarokova-Elston Feliks Sumarokov-Elston Partners Sofya Mikhaylovna von Koskull