Françoise Marie de Bourbon , Légitimée de France ( 4 May 1677 - 1 February 1749 ) was the youngest legitimised daughter ( fille légitimée de France ) of Louis XIV of France and his maîtresse-en-titre , Françoise-Athénaïs , marquise de Montespan .
Françoise Marie de Bourbon , Légitimée de France ( 4 May 1677 - 1 February 1749 ) was the youngest legitimised daughter ( fille légitimée de France ) of Louis XIV of France and his mistress , Françoise-Athénaïs , marquise de Montespan .