Pyotr Sviatopolk-Mirsky Russian politician (1857-1914) (1857–1914) Parents Sofia Orbeliani Dmitry Ivanovich Sviatopolk-Mirsky Children Dmitry Svyatopolk-Mirsky Prince Alexie Petrovitch Sviatopolk-Mirsky Siblings Olga Dmitrievna Svyatopolk-Mirskaya Nina von Daehn Partners Yekaterina Bobrinskaya
