By Marie-Christine Bonzom
There in addition to raising a family, she runs a school where the Sioux language and culture is passed on to young members of the Oglala Lakota tribe.
Born in Brazil, Stadnick always felt drawn to the northern part of the American continent.
"My interest was not sparked by Western movies, no, it was my intuition, my whole mind was focused on the ‘Indian’ country, I always had this dream and since I was a child, my strongest interest was Indian culture," Stadnick told swissinfo.ch.
Isabel Stadnick, although not a member of the tribe, became an honorary member, thanks to her love of the Lakota and devotion to their cause.
In 1994 her husband opened a nursery school in Pine Ridge. After his death, three years later, Stadnick took over the running of the school, which combines education in the Lakota language and culture with the Waldorf teaching method, inspired by the anthroposophy of Rudolf Steiner.
For more on the European interest in Indians, see High-End Tours for Europeans and Bulgarians Like Indians.
Below: "The Stadnick family. Isobel Stadnick (blonde hair) with her three children." (Pascal Mora)