 On 9 January 1807, he succeeded his father as second Prince of Leiningen.Emich Carl was married firstly, on 4 July 1787, to Henriette, youngest daughter of Heinrich XXIV, Count of Reuss-Ebersdorf, by his wife, Countess Karoline Ernestine of Erbach-Schönberg.Henriette died on 3 September 1801.