[2] On 7 April 1849, she married Jean Griess, a travelling salesman who shared her interest in phalansterian social organisation (inspired by Fourierist principles of self-sufficiency and cooperation.[3]).
Settling in Algiers, they formed a community with likeminded individuals, setting up a bakery, grocery store, and establishing a Froebelian kindergarten.
[2] She was vice-president of the Society for Peace through Education[2] and an advocate of the idea that 'European forces be made over into groups for public works development', transforming the standing armies of Europe into 'productive organisations'.
[4] In 1889, at the French and International Congress of the Rights of Women in Paris, Griess-Traut spoke in support of co-education.
[7] Griess-Traut died in 1898, and is remembered as being 'a loyal supporter of progressive, republican, feminist, and peace causes during her long life'.