Olga Tchaikovskaya

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Olga Tchaikovskaya with her adopted son Georgy, pictured in 1886

Sister-in-law of the composer (d. around 1919), born Olga Sergeyevna Denisyeva (Ольга Сергеевна Денисьева); known after her marriage as Olga Sergeyevna Chaykovskaya (Ольга Сергеевна Чайковская).

In 1872 Olga married the composer's brother Nikolay Tchaikovsky (1838–1911), and in 1886 the couple adopted the illegitimate son of Nikolay's niece Tatyana Davydova, who took the name Georgy Tchaikovsky (b. 1883).

Correspondence with Tchaikovsky

13 letters from Tchaikovsky to his sister-in-law Olga have survived, dating from 1885 to 1893, of which those highlighted in bold have been translated into English on this website:

Letters 2737, 4430, 4718 and 4987 were addressed jointly to Olga and her husband Nikolay Tchaikovsky, and Letter 4718 also their adopted son Georgy Tchaikovsky.

13 letters from Olga Tchaikovsky to the composer, dating from 1886 to 1893, are preserved in the Klin House-Museum Archive.