William, Landgrave of Hesse-Philippsthal Landgrave of Hesse-Philippsthal (1726-1810) (1726–1810) Parents Caroline Christine of Saxe-Eisenach Charles I, Landgrave of Hesse-Philippsthal Children Landgravine Juliane of Hesse-Philippsthal Louis, Landgrave of Hesse-Philippsthal Karl Prinz von Hessen-Philippsthal Ernest Constantine, Landgrave of Hesse-Philippsthal Friedrich von Hessen-Philippsthal Siblings Princess Charlotte Amalie of Hesse-Philippsthal Partners Ulrika Eleonora of Hesse-Philippsthal-Barchfeld
