Marie Janson
Belgian politician (1873-1960)

Marie Janson (23 July 1873 – 8 March 1960) was a Belgian politician and the first woman to serve in the Belgian senate. She was a daughter of Paul Janson and Anna-Augustine Amoré.
Born in Brussels, her father Paul Janson was leading member of the progressive wing of the Belgian liberal movement and founder of the Fédération progressiste. Her brother Paul-Émile Janson served as Prime Minister of Belgium. Marie's mother, Anna-Augustine Amoré was a well-educated woman of middle-origins who had worked as teacher at Isabelle Gatti de Gamond's school before her marriage; Marie herself was educated there.
On 22 July 1894, she married lawyer and playwright Paul Spaak. The couple had four children, of whom Paul-Henri Spaak, later Belgian Prime Minister like his uncle Paul-Émile, was the most famous.
During the First World War Marie was active in social work and this led her to join the Socialist Party. She was elected to the municipal council of Saint-Gilles in 1921, and the same year was selected by the party's executive, led by Émile Vandervelde, to serve in the Belgian Senate. She continued to serve as a co-opted senator until 1958.
The public source identifies “Marie Janson” as belgian politician (1873-1960). This brief keeps that definition visible, then builds a research path around Marie, Janson and Belgian.
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The entry’s evidential value lies in the named roles, institutions and publications that can be tested against primary documentation. The source revision retrieved here is dated Sep 20, 2026. The linked authority identifier is Q275821. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1873, 1960, 1894 and 1921.
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This entry incorporates text from “Marie Janson” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.