Tags: Noble.
Frederick Charles of Schleswig-Holstein-Sonderburg-Plön (August 4 1706 Sønderborg – the night of October 18–19 1761 Traventhal) known as Friedrich Karl or Friedrik Carl of Holstein-Plön was a member of a cadet branch of the Danish royal family and the last duke of the Duchy of Schleswig-Holstein-Sonderburg-Plön (or Holstein-Plön) a Danish royal prince and a knight of the Order of the Elephant.