Aleksandra Yevreynova

Paternal aunt of the composer (b. 1786), born Aleksandra Petrovna Chaykovskaya (Апександра Петровна Чайковская); known after her marriage as Aleksandra Petrovna Yevreynova (Апександра Петровна Еврейнова).

Aleksandra was the fifth child of the composer's grandparents Pyotr Fyodorovich Tchaikovsky (1745–1818) and his wife Anastasiya (b. Posokhova, 1751–?). She married Ivan Fyodorovich Yevreynov and they had one child — Pyotr (1812–1849).