Hedwig Sophia of Brandenburg was Landgravine consort of Hesse-Kassel by marriage to William VI, Landgrave of Hesse-Kassel, and regent from 1663 until 1677 during the minority of her sons, William VII, Landgrave of Hesse-Kassel and Charles I,... Wikipedia
Born: July 14, 1623, Berlin, Germany
Died: June 26, 1683 (age 59 years), Schmalkalden, Germany
Great-grandparents: Catherine of Brandenburg-Küstrin, Joachim Frederick, Elector of Brandenburg, Elisabeth of Hesse, Electress Palatine, and more
Grandchildren: William VIII, Landgrave of Hesse-Kassel, Frederick IV of Denmark, Frederick I of Sweden, and more