Princess Eleonore of Windisch-Graetz (born 1947) (b. 1947) Parents Eva Baronin von Isbary Prince Ernst zu Windisch-Grätz Children Franz Graf von Hardegg Friedrich Graf von Hardegg Camilla Gräfin von Hardegg Luise Gräfin von Hardegg Siblings Princess Elisabeth of Windisch-Graetz Princess Stephanie of Windisch-Graetz Prince Otto of Windisch-Graetz Partners Friedrich Johan Graf von Hardegg