Ernest Constantine, Landgrave of Hesse-Philippsthal

Ernest Constantine (; 8 August 177125 December 1849) was Landgrave of Hesse-Philippsthal from 1816 until his death.

Life Ernest Constantine was born in Philippsthal on 8 August 1771 to Landgrave William of Hesse-Philippsthal and Ulrike Eleonora, daughter of William, Landgrave of Hesse-Philippsthal-Barchfeld. boxstyle_1=background-color: #fcc; boxstyle_2=background-color: #fb9; boxstyle_3=background-color: #ffc; boxstyle_4=background-color: #bfc; boxstyle_5=background-color: #9fe; 1= 1. Ernest Constantine, Landgrave of Hesse-Philippsthal 2= 2. William, Landgrave of Hesse-Philippsthal 3= 3. Ulrika Eleonora of Hesse-Philippsthal-Barchfeld 4= 4. Charles I, Landgrave of Hesse-Philippsthal 5= 5. Caroline Christine of Saxe-Eisenach 6= 6. William, Landgrave of Hesse-Philippsthal-Barchfeld 7= 7. Charlotte Wilhelmine of Anhalt-Bernburg-Schaumburg-Hoym 8= 8. Philip, Landgrave of Hesse-Philippsthal (= 12) 9= 9. Catherine Amalie of Solms-Laubach (= 13) 10= 10. John William III, Duke of Saxe-Eisenach 11= 11. Christine Juliane of Baden-Durlach 12= 12. Philip, Landgrave of Hesse-Philippsthal (= 8) 13= 13. Catherine Amalie of Solms-Laubach (= 9) 14= 14. Lebrecht, Prince of Anhalt-Zeitz-Hoym 15= 15. Eberhardine of Weede 16= 16. William VI, Landgrave of Hesse-Kassel (= 24) 17= 17. Hedwig Sophia of Brandenburg (= 25) 18= 18. Charles Otto of Solms-Laubach (= 26) 19= 19. Amöne Elisabeth of Bentheim-Steinfurt (= 27) 20= 20. John George I, Duke of Saxe-Eisenach 21= 21. Countess Johannetta of Sayn-Wittgenstein 22= 22. Charles Gustav of Baden-Durlach 23= 23. Anna Sophia of Brunswick-Wolfenbüttel 24= 24. William VI, Landgrave of Hesse-Kassel (= 16) 25= 25. Hedwig Sophia of Brandenburg (= 17) 26= 26. Charles Otto of Solms-Laubach (= 18) 27= 27. Amöne Elisabeth of Bentheim-Steinfurt (= 19) 28= 28. Victor Amadeus, Prince of Anhalt-Bernburg 29= 29. Countess Palatine Elisabeth of Zweibrücken 30= 30. John George, Baron of Weede 31= 31. Agnes Margaret of Raesfeld-Middachten