circa 1920: Prince Philipp of Hesse (1896 - 1980), son of Prince Friedrich Karl of Hesse. He married Princess Mafalda of Savoy and became Landgrave of Hesse-Cassel upon the death of his father in 1940. (Photo by Hulton Archive/Getty Images)
circa 1920: Prince Philipp of Hesse (1896 - 1980), son of Prince Friedrich Karl of Hesse. He married Princess Mafalda of Savoy and became Landgrave of Hesse-Cassel upon the death of his father in 1940. (Photo by Hulton Archive/Getty Images)