Archduchess Sophie, Princess of Windisch-Graetz Austrian Imperial and Royal (b. 1959) Parents Archduke Ferdinand of Austria Archduchess Helene, Archduchess Ferdinand of Austria Children Maximilian Hugo, Hereditary Prince of Windisch-Graetz Alexis Ferdinando zu Windisch-Graetz Princess Larissa Maria of Windisch-Graetz Siblings Archduchess Elisabeth of Austria Archduke Maximilian of Austria Partners Prince Mariano Hugo, 6th Prince of Windisch-Graetz