About Princess Dorothea of Schleswig-Holstein-Sonderburg-Beck
Dorothea of Schleswig-Holstein-Sonderburg-Beck, known also as Dorothea von Holstein-Beck and Dorothea von Ziedewitz, (24 November 1685 – 25 December 1761), was a German princess of the House of Oldenburg and by marriage Margravine of Brandenburg-Bayreuth-Kulmbach.