Prince Louis George Charles of Hesse-Darmstadt  Louis George Charles (German: "Ludwig Georg Karl" or "Carl"), Prince of Hesse-Darmstadt (27 March 1749, Darmstadt - 26 October 1823, Darmstadt) was a German field marshal in the service of the Upper Rhenish Circle. He is also known in the primary and secondary sources as Prince Louis. Ludwig Georg Karl of Hesse-Darmstadt was the son of Prince George William of Hesse-Darmstadt (1722–1782) and Countess Maria Louise Albertine of Leiningen-Dagsburg-Falkenburg (1729–1818).