Anne-Catherine de Ligniville, Madame Helvétius Madame Helvétius is mentioned briefly in the Robert Lawson children's book "Ben and Me" (1939) as having many important people at her dinners, and also having cats (distressing to the protagonist, who is a mouse) and a particularly disagreeable dog. Anne-Catherine de Ligniville, Madame Helvétius Anne-Catherine de Ligniville, Madame Helvétius (23 July 1722 – 12 August 1800), also Anne-Catherine de Ligniville d'Autricourt, nicknamed "Minette", maintained a renowned salon in France in the eighteenth century. One of the twenty-one children of Jean-Jacques de Ligniville and his wife Charlotte de Saureau, Anne-Catherine de Ligniville, the niece of Madame de Graffigny, married the
Katherine Anne Porter stairs, breaking her ankle. They divorced officially in 1915. In 1914 she escaped to Chicago, where she worked briefly as an extra in movies. She then returned to Texas and worked the small-town entertainment circuit as an actress and singer. In 1915, she asked that her name be changed to Katherine Anne Porter as part of her divorce decree. Also in 1915, she was diagnosed with tuberculosis and spent the following two years in sanatoria, where she decided to become a writer. It was discovered during that time, however, that she had bronchitis, not TB. In 1917, she began writing