He was a Danish general and royal governor .
Prince Frederik of Hesse ( 24 May 1771 -- 24 February 1845 ) , a general , married only morganatically Klara von Brockdorff .
Prince was a Danish general and royal general .
Prince Frederik of Hesse ( 24 May 1771 -- 24 February 1845 ) , a general , married only morganatically Klara von Brockdorff .