Charles Emmanuel, Landgrave of Hesse-Rotenburg

Charles Emmanuel, Landgrave of Hesse-Rotenburg (Karl Emanuel; 5 June 1746 – 23 March 1812) was landgrave of Hessen-Rotenburg between 1778 and 1812. He was named after his uncle Charles Emmanuel III of Sardinia, husband of his aunt Polyxena of Hesse-Rotenburg.
Biography.
He was born in Langenschwalbach, the son of Constantine, Landgrave of Hesse-Rotenburg (24 May 1716 – 30 December 1778) and Sofie von Starhemberg (October 1722 – 12 December 1773).
He died in Frankfurt in 1812.
Marriage and issue.
Karl Emanuel married Princess "Leopoldina" Maria Anna Francisca de Paula Adelgunda (Vienna, 30 January 1754 – Frankfurt, 16 October 1823), daughter of Franz Josef I, Prince of Liechtenstein, on 1 September 1771 in Felsberg. The couple had two children.
Karl also had an illegitimate son by Lucie Juliane Struve (b. 1769), daughter of Johann Conrad Struve:
Karl's only descendants were from his illegitimate line.