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.mw-parser-output .hidden-begin{box-sizing:border-box;width:100%;padding:5px;border:none;font-size:95%}.mw-parser-output .hidden-title{font-weight:bold;line-height:1.6;text-align:left}.mw-parser-output .hidden-content{text-align:left}@media all and (max-width:500px){.mw-parser-output .hidden-begin{width:auto!important;clear:none!important;float:none!important))You can help expand this article with text translated from the corresponding article in Swedish. (January 2024) Click [show] for important translation instructions. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Swedish Wikipedia article at [[:sv:Karin Smirnoff (1880–1973)]]; see its history for attribution. You may also add the template ((Translated|sv|Karin Smirnoff (1880–1973))) to the talk page. For more guidance, see Wikipedia:Translation.
Smirnov in 1927

Karin Smirnov or Smirnoff (née Strindberg; 26 February 1880 – 10 May 1973) was a Finno-Swedish writer. She was the daughter of August Strindberg and Siri von Essen.

Smirnov was a socialist; she married Russian Bolshevik Vladimir Smirnov [sv]. She wrote plays and also books about her mother and father, and their marriage.