Which author, editor and socialite was the mother of Alma Manon Gropius?
Manon Gropius: Alma Manon Gropius (October 5, 1916 – April 22, 1935) was the daughter of the architect Walter Gropius and the composer and diarist Alma Mahler and the stepdaughter of the novelist and poet Franz Werfel. Alma Mahler: Alma Maria Mahler Gropius Werfel (born Alma Margaretha Maria Schindler; 31 August 1879 – 11 December 1964) was a Viennese-born composer. Alma Mahler:  author, editor and socialite.
i don't know