Facts:   - issue: prince prince rudolph of windisch-grätz princess stéphanie of windisch-grätz franz joseph of windisch-grätz prince ernest of windisch-grätz    - death place: vienna , austria    - mother: princess stéphanie of belgium    - death date: 16 march 1963    - spouse: prince otto weriand of windisch-grätz leopold petznek      - father: rudolf , crown prince of austria    - birth date: 2 september 1883    - name: archduchess elisabeth marie    - image: archduchess elisabeth marie of austria.jpg    - birth place: laxenburg , austria-hungary   Based on these bullet points, write a short biography describing the life of archduchess elisabeth marie of austria .
A:
archduchess elisabeth maria henriette stephanie gisela of austria -lrb- 2 september 1883 , laxenburg -- 16 march 1963 , vienna -rrb- was the only child of crown prince rudolf of austria and princess stéphanie of belgium .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 .