"Marie Louise Élisabeth of France (Marie Louise Élisabeth; 14 August 1727 – 6 December 1759) was a French princess. She was the eldest daughter of King Louis XV of France and Maria Leszczyńska; and the elder twin of Anne Henriette de France. She married Infante Philip; the younger son of Philip V of Spain who inherited the Duchy of Parma from his mother in 1748. Thereafter, she founded the House of Bourbon-Parma. In secondary sources she is referred to also as "Louise Élisabeth of France". She functioned as the de facto ruler of the Duchy of Parma between 1748 and 1759." - (en.wikipedia.org 17.10.2021)