Marie de Breuillet de Dourdan ( 1080 â 1119) was a French noblewoman and the royal mistress of Prince Louis of France (later King Louis VI of France) until 1104.
Marie was born around 1080, perhaps near Longpont, she was the daughter of a knight, Renaud de Breuillet de Dourdan (died before 1115) and a woman named Florie. She had three brothers, two of whom, Renaud II de Brueillet and Godefroy de Breuillet became monks of the Longpont Abbey.
Marie met Louis VI of France during his stay in his castle located in Dourdan, cradle of the Capetians.
She became a mistress of Louis until 1104, when she left for a Parisian convent. In 1105, Marie gave birth to a daughter, Isabelle de France (1105âÂÂ1175); married William of Vermandois, seigneur of Chaumont in 1117.
Marie married Thévin d'Orsay, the son of Galeran Payen dit Châtel and Béatrix, they had two sons, Aimon and Nantier d'Orsay.