On 31 January 1993 in Mariazell, he married Francesca Thyssen-Bornemisza, the only daughter of Baron Hans Heinrich Thyssen-Bornemisza de Kászon, a European industrialist, and his third wife, the fashion model, Fiona Frances Elaine Campbell-Walter [REF].
In July 1998 an Austrian court fined Karl von Habsburg 180,000 schillings ($14,300); he had failed to declare immediately to customs officials that he had an antique diadem in his luggage when he crossed the border from Switzerland in July 1996 [REF].