Charles of Orléans was Duke of Orléans from 1407, following the murder of his father, Louis I, Duke of Orléans. He was also Duke of Valois, Count of Beaumont-sur-Oise and of Blois, Lord of Coucy, and the inheritor of Asti in Italy via his mother Valentina Visconti.
Charles François Dupuis was a French savant, a professor of rhetoric at the Collège de Lisieux, Paris, who studied for the law in his spare time and was received as avocat in 1770. He also ventured into the field of mathematics and served on the committee that developed the French Republican Calendar.