Representative of the princely family Obolensky. Born June 4, 1819 in the family of Major General Vasily Obolensky and Ekaterina Musina–Pushkina. Having received an excellent education at home and at the Physics and Mathematics Department of Moscow University,Report on the States and Actions of the Imperial Moscow University for 1835/6 Academic and 1836 Civil Years Prince Alexey Obolensky in 1838 passed the officer's exam at the Mikhailovsky Artillery School. In the same year, on April 8, he entered military service as a Fireworker of the 4th Class of the Life Guards of the 1st Artillery Brigade in the No. 1 Light Battery. Two years later he was promoted to Warrant Officer with a transfer from the 1st to the 2nd Battery, and three years later he was transferred to the same rank in the Life Guards Horse Artillery. On October 10 of the same year, he was promoted to Second Lieutenant, and on December 6, 1846, to lieutenant.
