Marina Trubetskaya (1877–1924) Parents Sofya Lopukhina Nikolai Petrovitch Troubetzkoy Children Marina Gagarina Siblings Elizaveta Trubetskaya Grigory Trubetskoy Aleksandra Trubetskaya Varvara Lermontova Antonina Trubetskaya Yevgeny Trubetskoy Olga Trubetskaya Sergei Nikolaevich Trubetskoy Maria Trubetskaya Sofya Trubetskaya Pyotr Trubetskoy Partners Nikolay Gagarin