[1] On August 29, 1904 in Grenoble, she married Henri-Paul Drevet, a lieutenant in the Chasseurs Alpins, who was sent to the front in World War I and died in Wancourt on October 2, 1914.
[2] Together with Colette Reynaud, from January 21, 1926, Drevet served as editor-in-chief of the feminist newspaper La Voix des femmes.
[1] In September 1926, alongside Gabrielle Duchêne, Marcelle Capy, and Germaine Kellerson, Drevet represented the French at the congress of the Women's International League for Peace and Freedom (WILPF), held in Dublin, Ireland.
Many activists from the European and American Left were present, such as Fenner Brockway, Arthur MacManus, Edo Fimmen, Reginald Bridgeman, and Gabrielle Duchêne, as well as intellectuals such as Henri Barbusse, Victor Basch, Romain Rolland, and Albert Einstein.
[7] In February 1957, in collaboration with Les Amis de Gandhi, Drevet and Louis Massignon visited Jules Monchanin at the Benedictine Saccidananda Ashram in India.