Marie Thérèse of France was a French princess, a fille de France. She was the fourth child of King Louis XIV and Queen Maria Theresa. As the eldest surviving daughter of a French king, she was known a
Portrait by Nocret, c. 1671
Queen Maria Theresa and her children from the Mythological portrait of Louis XIV and the royal family by Nocret (1670)
Engraving of Marie Thérèse
Madame Royale was a style customarily used for the eldest living unmarried daughter of a reigning French monarch.
Marie-Thérèse, daughter of Louis XVI