Ivan Svyatopolk-Mirsky (1872-1922) (1872–1922) Parents Nikolay Svyatopolk-Mirsky Kleopatra Khanykova Children Vasily Svyatopolk-Mirsky Tatyana Svyatopolk-Mirskaya Simon Svyatopolk-Mirsky Nadedzha Svyatopolk-Mirskaya Sofya Svyatopolk-Mirskaya Siblings Ilya Svyatopolk-Mirsky Mikhail Svyatopolk-Mirsky Vladimir Svyatopolk-Mirsky Semyon Svyatopolk-Mirsky Dmitry Svyatopolk-Mirsky Partners Nadezhda von Engelhardt