Margaret "Gretl" Stonborough-Wittgenstein was a sister of the philosopher Ludwig Wittgenstein and the pianist Paul Wittgenstein and a member of the wealthy Viennese Wittgenstein family. She was the subject of a famous 1905 portrait painted for her wedding by the artist Gustav Klimt, which was sold in 1960 by her son Thomas and may now be seen in the Alte Pinakothek gallery in Munich.
- Occupation
- salonnière, philosopher, art collector
- Citizenship
- United States, Austria
- Born
- September 19, 1882
- Died
- September 27, 1958