Countess Matilda of Holland was a noblewoman born around 1170, known for her significant role in the politics of the Low Countries. She was the daughter of Count Floris III of Holland and Adelaide of Cleves. Matilda became the Countess of Holland through her marriage to Count Henry of Brabant, which strengthened alliances in the region. Matilda was also a key figure in the succession of the County of Holland. After her husband's death, she played a crucial role in managing the affairs of the county and ensuring the stability of her family's rule. Her influence extended beyond her lifetime, impacting the future of the region.