Watch La maîtresse du président (2009) : Full Movie Online Free Marguerite Jeanne Japy was born in Beaucourt, France to a family of fortune. She married French painter Adolphe Steinheil in July 1890. Steinheil did not enjoy much artistic success but made a good living painting society portraits and restoring church windows.In 1897 Marguerite became the mistress of French President Félix Faure .