. . . . . . . . . . "John Albert, Duke of Schleswig-Holstein" . . "Hereditary Prince of Schleswig-Holstein" . . . . "Hans Albrecht, Hereditary Prince of Schleswig-Holstein" . . "Hans Albrecht, Hereditary Prince of Schleswig-Holstein" . . . . . "Prince Hans" . . . . . "1917" . "''Hans Albrecht'', Hereditary Prince of Schleswig-Holstein" . . "1944" . . . . "Prince Albrecht of Schleswig-Holstein-Sonderburg-Gl\u00FCcksburg" .