ロイヒテンベルク公
Alexander Georgievich, 7th Duke of Leuchtenberg (13 November 1881 – 26 September 1942), also known as Prince Alexander Georgievich Romanovsky or less commonly Alexander de Beauharnais, was the only son of George Maximilianovich, 6th Duke of Leuchtenberg by his first wife, Duchess Therese of Oldenburg. He was a descendant of Paul I of Russia through both of his parents.