Sofie of Hesse-Philippsthal (1695-1728) (1695–1728) Parents Catherine Amalie of Solms-Laubach Philip, Landgrave of Hesse-Philippsthal Children Karl Anton August von Schleswig-Holstein-Sonderburg-Beck Siblings Charles I, Landgrave of Hesse-Philippsthal William, Landgrave of Hesse-Philippsthal-Barchfeld Partners Peter August of Schleswig-Holstein-Sonderburg-Beck