من تزوج Archduchess Maria of Austria (b. 1935)؟

Karl, Prince of Löwenstein-Wertheim-Rosenberg (German: Karl Friedrich Fürst zu Löwenstein-Wertheim-Rosenberg; 8 February 1904 in Kleinheubach – 23 August 1990 in Kleinheubach) was a German Roman Catholic nobleman. From 1948 to 1967 he was president of the Central Committee of German Catholics. Born as Prinz zu Löwenstein-Wertheim-Rosenberg, he inherited the title of 'Erbprinz' on his father's accession in 1921 and became Fürst zu Löwenstein-Wertheim-Rosenberg on his father's death in 1952.

Josef Franz, Archduke of Austria, Prince of Hungary (Josef Franz Leopold Anton Ignatius Maria; 28 March 1895 – 25 September 1957), was the eldest son of Archduke Joseph August of Austria and Princess Auguste Maria of Bavaria. As his father was the last Palatine of Hungary and was briefly considered a possible King of Hungary in 1919–1920, Josef Franz was a potential crown prince of Hungary.

He was born during the reign of his maternal great-grandfather Emperor Francis Joseph I of Austria.

He wrote the libretto to Eugene Zador's 1939 opera Christopher Columbus.