Maria Eleonora of Brandenburg was a German princess born on November 11, 1600. She was the daughter of George William, Elector of Brandenburg and Maria Anna of Hohenzollern. In 1620, she married Gustavus Adolphus of Sweden, becoming Queen consort of Sweden. Maria Eleonora is known for her strong personality and her role in the political landscape of Sweden during her husband's reign. After Gustavus Adolphus died in 1632, she faced challenges in maintaining her influence and managing her daughter's upbringing, particularly in the context of the Thirty Years' War.