According to Genteam.eu, Max Gans Schiller, born 9 Feb. 1853 Lobositz, Leitmeritz, died on 4 Oct 1910 in Vienna. He is buried in the Central Cemetery, gate T1, group 053B, row 14, tomb no 22. He was living at Berggasse 8 in the 9th borough.
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Freud was living at Berggasse 19, about a block away.
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I did not find an entry for Eugenie.
Andreas Schwab, Montreal, Canada