Full Name: Maria Louise van Hessen-Kassel
Profession: Princess of Orange
Why Famous: Daughter of Charles I, Landgrave of Hesse-Kassel, and Maria Amalia of Courland. By her marriage to John William Friso, Prince of Orange, she became Princess consort of Orange, a title last held by Mary II of England. Like her husband, she is an ancestor of all currently reigning monarchs in Europe.