Princess Louise Marie de France or Marie Louise and sometimes just Louise (15 July 1737 - 23 December 1787) was the youngest of the 10 children of Louis XV of France and his Queen consort Maria Leszczyńska. As a daughter of the king, she held the rank of a fille de France. Louise outlived her father, mother, and all of her siblings except for her two older sisters, known as Madame Adélaïde and Madame Victoire.