Princess Stephanie of Windisch-Graetz's mother was a member of what political party?
Princess Stephanie of Windisch-Graetz Princess Stéphanie of Windisch-Graetz (April 4, 1909 in Ploskovice, Bohemia – May 29, 2005 in Uccle, Belgium) was the daughter of Prince Otto Weriand of Windisch-Graetz (1873–1952) and Archduchess Elisabeth Marie of Austria (1883–1963), only child of Crown Prince Rudolf of Austria and Princess Stéphanie of Belgium. She was the great-grandchild of Emperor Franz-Joseph and Empress Elisabeth ('Sissi') of Austria. She was also the great-grandchild of King Leopold II of Belgium.
Countess Georgina von Wilczek Georgine "Gina" von Wilczek (Georgine Norberte Johanna Franziska Antonie Marie Raphaela; 24 October 1921 – 18 October 1989) was the daughter and only child of Ferdinand Maria, Count of Wilczek (1893–1977), and his wife, Countess Norbertine Kinsky von Wchinitz und Tettau (1888–1923). She was born in Graz, and was the mother of Prince Hans-Adam II of Liechtenstein.