Bortkiewicz died on 25 October 1952 in the Algemeines Krankenhaus in Vienna.
Bortkiewicz’ death announcement
His wife, Elisabeth Bortkiewicz-Geraklitova was his sole heir. The Bortkiewicz Gemeinde tried to keep the memory of Bortkiewicz’ music alive. Elisabeth Bortkiewicz stayed as subtenant of Maria Cernas in the Blechturmgasse 1 Tür 5. On 9 March 1960 Elisabeth Bortkiewicz died in the Willergasse 24, Rodaun, Wien (Vienna). Her heirs were two daughters of her brother Sergei Ilyanko. Elisabeth Schubert-Tscharré and Grete Schuster received a legacy.
Elisabeth Schubert-Tscharré in 1950
By then the memory of Bortkiewicz’ music had already faded away. His music went out of print and piano and orchestral scores became very hard to obtain.
Sergei Bortkiewicz: his life and music 
Bortkiewicz, uno de mis compositores favoritos. Un compositor infravalorado de una armonía melódica excepcional. Algún día tocaré sus obras para mantener viva su llama y espíritu.
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