Bertha of Holland was a notable figure in the 13th century, born around 1250. She was the daughter of Floris IV of Holland and Matilda of Brabant. Bertha became the queen consort of Henry I of Brabant through her marriage, which helped strengthen political ties between Holland and Brabant. As queen, Bertha played a significant role in the governance of her husband's territories. She was known for her piety and charitable works, contributing to various religious institutions. Bertha's legacy continued through her children, who furthered the alliances between noble families in the region.