 In 1880, she suggested the marriage between her sister Stephanie and Crown Prince Rudolf of Austria.In 1895, Louise, now based in Vienna, the capital of Austrian Empire, became romantically involved with Count Geza Mattachich (Mattacic, 1868–1923), stepson of Oskar Keglevich, Count of Buzin.Mattachich was a lieutenant in a Croatian regiment of the Austrian army.