Margaret of Nevers, also known as Margaret of Burgundy, was Dauphine of France and Duchess of Guyenne as the daughter-in-law of King Charles VI of France. Wikipedia
Born: December 8, 1393
Died: February 1442 (age 48 years), Paris, France
Parents: John the Fearless and Margaret of Bavaria
Great-grandparents: John II of France, Louis II, Count of Flanders, Louis IV, Holy Roman Emperor, and more
Grandparents: Philip the Bold, Margaret III, Countess of Flanders, Albert I, Duke of Bavaria, and more
Spouse: Arthur III, Duke of Brittany (m. 1423)