Tchaikovsky
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Petr Petrovich Tchaikovsky

Army officer and paternal uncle of the composer (b. 1789; d. February 1871), born Petr Petrovich Tchaikovsky (Петр Петрович Чайковский, Petr Petrovič Čajkovskij, Pyotr Petrovich Tchaikovsky).

He was the sixth child of the composer's grandparents Petr Fedorovich Tchaikovsky (1745–1818) and his wife Anastasiia (b. Posokhova, 1751–?).

Petr married Evdokiia Petrovna Berens (or Elizaveta von Berens), by whom he had eight children: Anna (1830–1911); Sof'ia (1833–1888); Aleksandra (1836–1899); Il'ia (1837–1891). Lidiia (1838–1901); Mitrofan (1840–1903); Andrei (1841–1920); and Nadezhda (b. 1841).

He was a Major-General, and was awarded the Order of Saint George (4th class).