Semyon Svyatopolk-Mirsky (1885-1917) (1885–1917) Parents Nikolay Svyatopolk-Mirsky Kleopatra Khanykova Children Nikolay Svyatopolk-Mirsky Semyon Svyatopolk-Mirsky Siblings Ilya Svyatopolk-Mirsky Ivan Svyatopolk-Mirsky Mikhail Svyatopolk-Mirsky Vladimir Svyatopolk-Mirsky Dmitry Svyatopolk-Mirsky