Mariya Dolgorukova (1869-1949) (1869–1949) Parents Olga Dolgorukova Aleksandr Sergeevich Dolgorukov Children Mariya Trubetskaya Siblings Olga Aleksandrovna von Mensdorff-Pouilly Pyotr Dolgorukov Sergey Dolgorukov Varvara Dolgorukova Partners Georgy Trubetskoy