Friedrich Ferdinand Hereditary Prince of Schleswig-Holstein (born 19 July 1985 in Eckernförde Schleswig-Holstein West Germany) is the heir apparent of Christoph Prince of Schleswig-Holstein current Head of the House of Schleswig-Holstein the senior extant line of the House of Oldenburg. Friedrich Ferdinand is the eldest son of Christoph and his wife Princess Elisabeth of Lippe-Weissenfeld. As a 4th-great-grandson of Queen Victoria he is in the line of succession to the British throne.