Blanche of Castile was a Spanish princess born in 1188, known for her role as the queen consort of Louis VIII of France. She became a significant political figure in medieval Europe, especially during her husband's reign from 1223 to 1226. After Louis's death, she served as regent for her son, Louis IX, guiding France through a challenging period. Blanche was recognized for her intelligence and strong leadership skills. She played a crucial role in maintaining stability in the kingdom and was influential in the education of her son, who later became a revered king and saint. Her legacy continues to be remembered in French history.