Sergey Dolgorukov Peerage person ID=333062 (1872–1933) Parents Aleksandr Sergeevich Dolgorukov Olga Dolgorukova Children Olga Morgan Siblings Olga Aleksandrovna von Mensdorff-Pouilly Pyotr Dolgorukov Varvara Dolgorukova Mariya Dolgorukova Partners Irina Naryshkina