Margaret of Flanders was a notable medieval noblewoman born around 1280. She was the daughter of Guy of Dampierre, Count of Flanders, and Isabella of France. Margaret became the Countess of Flanders through her marriage to Louis I of Nevers, strengthening political ties between regions. Margaret played a significant role in the governance of Flanders during her husband's absence. She was known for her intelligence and political acumen, helping to manage the affairs of the county. Her lineage and marriage connected her to various European royal families, influencing the political landscape of the time.