Frederick Philip Lewis Cunliffe-Owen, CBE (30 January 1855 - 30 June 1926) was an English-born writer and newspaper columnist.
He was a son of exhibition organizer and museum director Sir Philip Cunliffe-Owen (1828–1894) and his German wife, Baroness Elisa Amalie Philippine Julie von Reitzenstein (1830-1894), known as "Jenny".
Frederick Cunliffe-Owen was educated at Lancing College and the University of Lausanne.
Using the pseudonym "Marquise de Fontenoy", Cunliffe-Owen wrote syndicated feature articles about European aristocratic and court society.
[2][1] He was a military attaché in Constantinople during the July Crisis that led to World War I.