La Châtre
She was born in France to Henri Albert de La Grange d'Arquien and Françoise de La Châtre. She served as fille d'honneur to queen marie Therse of France prior to her marriage. In 1668, Louise Marie married François Gaston de Béthune, marquis de Chabris, and they had four children, including Louis Marie Victor, comte de Béthune, and Jeanne de Béthune, wife of Count Jan Stanisław Jabłonowski. She also suffered 10 miscarriages between 1668 and 1683. She followed her sister to Poland and had an influential position in the court of her sister until the Duke de Bethune was exiled, when she was forced to follow him.