Louis XVII was the second son and heir of Louis XVI, who died in prison during the Revolution.
Louis, Dauphin of France, was the father of Louis XVI, who died of tuberculosis in 1765.
Maria Josepha of Saxony was the mother of Louis XVI, who died of tuberculosis in 1767.
Maria Josepha of Saxony, Dauphine of France
Maria Antonia was the birth name of Marie Antoinette, the wife of Louis XVI and queen of France.
Francis I was the Holy Roman Emperor and the father of Maria Antonia, the wife of Louis XVI.
Francis I, Holy Roman Emperor