The Duchess of Brabant was a noble title in the historical region of Brabant, which is now part of modern-day Belgium and Netherlands. The title was often held by the wife of the Duke of Brabant, a significant ruler in the Low Countries during the Middle Ages. The duchy played a crucial role in the political landscape of Europe, influencing trade and culture. Throughout history, several notable women held the title of Duchess of Brabant, including Joanna of Brabant and Margaret of Austria. These duchesses often acted as regents or played important roles in dynastic politics, helping to shape alliances and maintain power within their territories.