Princess Stephanie of Windisch-Graetz Austrian princess (1909–2005) Parents Archduchess Elisabeth Marie of Austria Otto zu Windisch-Graetz Children Alvar Etienne d'Alcantara di Querrieu Bjorn-Axel Björklund Siblings Prince Rudolf zu Windisch-Grätz Prince Ernst zu Windisch-Grätz Prince Franz Joseph of Windisch-Grätz Partners Karl Axel Björklund Pierre d'Alcantara de Querrieu
