Élisabeth Charlotte d'Orléans ( 13 September 1676 - 23 December 1744 ) was a French petite-fille de France and by marriage to Leopold , Duke of Lorraine , duchess and later regent of Lorraine and Bar .
Élisabeth Charlotte d'Orléans ( 13 September 1676 - 23 December 1744 ) was a niece of Louis XIV and wife of Leopold , Duke of Lorraine .