[PAR] [TLE] Archduchess Elisabeth Marie of Austria [SEP] Archduchess Elisabeth Marie of Austria (Elisabeth Maria Henriette Stephanie Gisela; 2 September 1883 – 16 March 1963) was the only child of Rudolf, Crown Prince of Austria and Princess Stéphanie of Belgium, and a granddaughter of Emperor Franz Joseph I of Austria and King Leopold II of the Belgians.  She was known to the family as "Erzsi", a diminutive of her name in Hungarian.  Later nicknamed "The Red Archduchess", she was famous for becoming a socialist and a member of the Austrian Social Democratic Party. [PAR] [TLE] Princess Stephanie of Windisch-Graetz [SEP] 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.
[PAR] [TLE] Archduchess Elisabeth Marie of Austria [ SEP ] Archduchess Elisabeth Marie of Austria ( Elisabeth Maria Henriette Stephanie Gisela ; 2 September 1883 – 16 March 1963 ) was the only child of Rudolf , Crown Prince of Austria and Princess Stéphanie of Belgium , and a granddaughter of Emperor Franz Joseph I of Austria and King Leopold II of the Belgians . She was known to the family as " Erzsi " , a diminutive of her name in Hungarian . Later nicknamed " The Red Archduchess " , she was famous for becoming a socialist and a member of the Austrian Social Democratic Party . [PAR] [TLE] Princess Stephanie of Windisch - Graetz [ SEP ] 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 .
Princess Stephanie of Windisch-Graetz's mother was a member of what political party?
Princess Stephanie of Windisch - Graetz 's mother was a member of what political party ?
Austrian Social Democratic Party
Austrian Social Democratic Party