Many rich Viennese had their summer villas there such as the surgeon Theodor Billroth.
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Hubert Raudaschl (b. 1942), sailboat manufacturer and former olympic athlete
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Sankt Gilgen is situated in the north-western shore of the lake Wolfgangsee, close to Strobl and to the Upper Austrian municipality of St. Wolfgang.
Leopold Franz married Laetitia de Belzunce d'Arenberg, eldest child and only daughter of Henri de Belzunce, a French nobleman, and his wife Marie-Thérèse de la Poëze d'Harambure, civilly on 19 June 1965 in St. Gilgen and religiously on 28 July 1965 in Menetou-Salon.