Ernest Constantine, Landgrave of Hesse-Philippsthal Landgrave of Hesse-Philippsthal (1771-1849) (1771–1849) Parents Ulrika Eleonora of Hesse-Philippsthal-Barchfeld William, Landgrave of Hesse-Philippsthal Children Franz von Hessen-Philippsthal Charles II, Landgrave of Hesse-Philippsthal Siblings Landgravine Juliane of Hesse-Philippsthal Louis, Landgrave of Hesse-Philippsthal Karl Prinz von Hessen-Philippsthal Friedrich von Hessen-Philippsthal Partners Christiane Louise von Schwarzburg-Rudolstadt Caroline von Hessen-Philippsthal
