Sophie Lissitzky-Küppers

[1] She studied art history at university where she met her first husband, Paul Erich Küppers, who was the artistic director of the Kestner Society in Germany.They had two children.

Before moving to the Soviet Union she loaned some thirteen works, including Lyonel Feiniger's Die Brücke,[3] Piet Mondrian's Schilderij No.

[9][10] After several changes of ownership, the Klee painting (Swamp Legend) ended up in Munich's Lenbachhaus Museum, where in 2015 it was under protracted legal action from the heirs of Lissitzky-Küppers for its restitution.

[12][13] In 2001 the Kiyomizu Sannenzaka Museum in Kyoto, Japan restituted a watercolor entitled "Deserted Square of an Exotic Town", 1921, by Paul Klee that had been stolen by the Nazis from Sophie Küppers-Lissitzky.

[14] In December 2021, the heirs of Piet Mondrian filed a lawsuit against the Philadelphia Museum of art for Composition with Blue, which the artist had consigned to Küppers-Lissitzky when it was seized by the Nazis.