Marie Steiner-von Sivers was an Austrian choreographer, born in 1867 in Włocławek, who died in 1948.
Biography
Marie Steiner-von Sivers (14 March 1867 – 27 December 1948) was a Baltic German actress, the second wife of Rudolf Steiner and one of his closest colleagues. She made a great contribution to the development of anthroposophy, particularly in her work on the renewal of the performing arts (eurythmy, speech and drama), and the editing and publishing of Rudolf Steiner's literary estate.
From the Wikipedia article “Marie Steiner-von Sivers”, licensed under CC BY-SA 4.0.
Facts from Wikidata (Q213873), CC0.