Her husband, the actor Gustav Diessl, died of a heart attack on March 20, 1948. She suffered from severe pain during the performance of "Le nozze di Figaro" at La Scala Opera House in early 1949. At first, doctors did not take it seriously. However, on March 31, 1949, she fell down during the performance of Karl Millöcker's operetta "Der Bettelstudent" in Vienna. During surgery on April 4, doctors found cancer in her liver and pancreas. She died from cancer on June 9, 1949 in Vienna. British pianist Sir Clifford Curzon adopted her two sons.