Catherine Mikhailovna Musina-Pushkina 19 Jul 1884 St.Petersburg - 25 Apr 1972 Nice (1884–1972) Parents Mikhail Illarionovich Musin-Pushkin Maria Feodorovna Blosfeldt Children Youcca Troubetzkoy Igor Troubetzkoy Siblings Vera Musina-Pushkina Daria Musina-Pushkina Partners Prince Nicholas Nicolaievich Trubetskoy