Christian is a great-grandson of the last Grand Duke of Oldenburg, Frederick Augustus II and through his mother he is related to the Princes of Löwenstein-Wertheim-Freudenberg, who belong to a morganatic branch of the House of Wittelsbach descending from Frederick I, Elector Palatine.
Duke University | Duke Ellington | Duke | Oldenburg | Duke of Wellington | Grand Prix motorcycle racing | Grand Canyon | Prince William, Duke of Cambridge | Grand Trunk Railway | Grand National | Grand Rapids, Michigan | Duke of York | Grand Prix | Grand Duchy of Lithuania | Grand Central Terminal | Grand Theft Auto: San Andreas | Grand Theft Auto IV | Grand Tour | Grand Ole Opry | Duke of Norfolk | Duke of Edinburgh | Duke of Burgundy | Claes Oldenburg | Prince Arthur, Duke of Connaught and Strathearn | Grand Duchy of Hesse | George Villiers, 1st Duke of Buckingham | Prince Andrew, Duke of York | Grand Rapids | Grand Vizier | Grand Union Canal |
Frederick Augustus II (16 November 1852, Oldenburg – 24 February 1931, Rastede) was the last ruling Grand Duke of Oldenburg.