Career
In 1866, Troubetzkoy and Rubinstein created and founded the Moscow Conservatory. In 1876, Troubetzkoy retired from the Directorate due to his appointment as Vice-Governor of Kaluga. He owned the famous Akhtyrka estate near Moscow.
lieutenant was built in the Moscow Empire style and finished in 1825.
Nikolai Rubinstein and Conservatory professors were frequent visitors, and often practiced there. Pyotr Ilyich Tchaikovsky visited in 1867.
Father — Prince Petr Ivanovitch Troubetzkoy
Mother — Princess Emilia Petrovna von Sayn-Wittgenstein-Berleburg (1801–1869), daughter of Field Marshal Prince Ludovic-Adolph Peter von Sayn-Wittgenstein-Berleburg
First wife — Countess Liubov Vassilievna Orlova-Denisova 1828-1860 (1 son, 2 daughters)
Second wife — Sophia Alekseievna Lopouchina 1841-1901 (3 sons, 7 daughters).