 An enthusiastic mobilist he financed the development of a lightweight sports car (""Sascha-Wagen"") designed by the Austro-Daimler engineer Ferdinand Porsche, which ran at the 1922 Targa Florio with Alfred Neubauer at the wheel.Kolowrat died of cancer in 1927 in Vienna, aged 41.He would be referenced in the hit Dietrich-von Sternberg film collaboration "Dishonored" (1931), in which Marlene Dietrich plays a spy whose civilian name is Marie Kolowrat.