Louis César de Bourbon, Légitimé de France, Count of Vexin was a son of Louis XIV and his mistress Madame de Montespan. He was the Abbot of Saint-Denis and of Saint-Germain-des-Prés.
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)