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After talk of Ileana marrying the Tsar of Bulgaria or the Prince of Asturias, she was eventually betrothed to Alexander, Count of Hochberg, a minor German prince, in early 1930. This betrothal was, however, short-lived and Marie never managed to conclude a political marriage for her youngest daughter, instead marrying her to Archduke Anton of Austria–Tuscany in 1931.
Louise was created Baroness of Hochberg at the time of her marriage and Countess of Hochberg in 1796; both titles were also borne by her children. They had the following children: Prince Leopold of Baden (29 August 1790 – 24 April 1852); later succeeded as HRH Leopold I, Grand Duke of Baden.