In 1936, she married the journalist and social activist Bernardo Edelman, and together they were mobilized by the Communist party in 1937 to engage in the Republican resistance in Valencia. This is when she adopted her husband's name and became Fanny Edelman.[1] Bernardo was reporting for the Nueva España newspapers, while she was representing the interests of the International Red Aid like providing materials to the Communist soldiers.[3]
After her brief time in the Spanish Civil War, she returned to Argentina in 1937. As a Communist leader, she supported all international battles led by the Party. In 1947, she worked for the creation of the Women's Union of Argentina. In 1972, she became general secretary of the Women's International Democratic Federation.[1][2]
Fanny Edelman died on November 1, 2011, in Buenos Aires.[1][2] She has a daughter, Lucy Edelman.[4]