Their Teplice stage partnership proved to be a winning combination and after marrying in Czechoslovakia, she and Otto moved to his home city of Vienna.
With the Nazis rise to power, they curtailed their own success in Vienna and made the decision to move to the Netherlands, where they became members of the Fritz Hirsch Operetta in Den Haag.
They immediately bounced back with a new opera company in the Hollandsche Schouwburg in The Capital, led by Otto Frohn Knecht, in which they co-starred with celebrated artists of the period, Sylvain Poons and Kurt Gerron.
The couple were still living in Amsterdam when they were deported by the Nazis to Westerbork concentration camp, where between March and June 1944, they took part in three productions staged by the Westerbork stage troupe, some of whose other members were Max Ehrlich, Kurt Gerron, Jetty Cantor, Willi Rosen and Erich Ziegler.
Otto survived the war and returned to Amsterdam where he re-established himself as a singer, dancer, choreographer and director of the city's Hoofdstad Operette.