ENGLAND - AUGUST 06: A photographic portrait of George William Frederick Charles, the second Duke of Cambridge (1819-1904), taken by W & D Downey. Grandson of George III and cousin to Queen Victoria, the Duke, a Field Marshal, was Commander-in-Chief of the Horse Guards and a respected military figure. This photograph appears in 'The Cabinet Portrait Gallery' series of celebrity portraits and biographies published in the 1890s. The series includes royalty, actors, academics and authors. (Photo by SSPL/Getty Images)

ENGLAND - AUGUST 06:  A photographic portrait of George William Frederick Charles, the second Duke of Cambridge (1819-1904), taken by W & D Downey. Grandson of George III and cousin to Queen Victoria, the Duke, a Field Marshal, was Commander-in-Chief of the Horse Guards and a respected military figure. This photograph appears in 'The Cabinet Portrait Gallery' series of celebrity portraits and biographies published in the 1890s. The series includes royalty, actors, academics and authors.  (Photo by SSPL/Getty Images)