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 | Augustus | Oldenburg | Duke of Wellington | Grand Prix motorcycle racing | Grand Canyon | Frederick the Great | Prince William, Duke of Cambridge | Grand Trunk Railway | Grand National | Grand Rapids, Michigan | Frederick | Duke of York | Grand Prix | Grand Duchy of Lithuania | Grand Central Terminal | Grand Theft Auto: San Andreas | Frederick II | Grand Theft Auto IV | Frederick II, Holy Roman Emperor | Grand Tour | Grand Ole Opry | Frederick Russell Burnham | Frederick Roberts, 1st Earl Roberts | Duke of Norfolk | Frederick Law Olmsted | Duke of Edinburgh | Duke of Burgundy |
Duke Anton-Günther is a grandson of the last Grand Duke of Oldenburg, Frederick Augustus II.
Frederick Augustus II (16 November 1852, Oldenburg – 24 February 1931, Rastede) was the last ruling Grand Duke of Oldenburg.