Archduchess Helene, Archduchess Ferdinand of Austria Austrian Imperial and Royal (b. 1937) Parents Princess Elizabeth of Greece and Denmark Count Karl Theodor of Toerring-Jettenbach Children Archduke Maximilian of Austria Archduchess Sophie, Princess of Windisch-Graetz Archduchess Elisabeth of Austria Siblings Hans-Veit Graf zu Törring-Jettenbach Partners Archduke Ferdinand of Austria