Margaret III, Countess of Flanders was a noblewoman born in 1344, known for her significant role in the politics of medieval Europe. She was the daughter of Louis II, Count of Flanders and Margaret of France. Margaret became the Countess of Flanders through her marriage to Philip the Bold, Duke of Burgundy, which strengthened the ties between the two regions. Her marriage in 1369 marked the beginning of a powerful alliance that would influence the political landscape of the Low Countries. Margaret III was also the mother of several important figures, including John the Fearless, who would later become Duke of Burgundy, furthering her family's legacy in European history.