Postcard showing the children of Grand Duke Constantine Constantinovich. They are shown in profile facing left. From left to right are Prince John Constantinovich (1886-1918), Prince Gabriel Constantinovich (1887-1955), Princess Tatiana Constantinovna (1890-1979), Prince Constantine Constantinovich (1891-1918), Prince Oleg Constantinovich (1892-1914), Prince Igor Constantinovich (1894-1918), Prince George Constantinovich (1903-1938) and Princess Vera Constantinovna (1906-2001). There is a caption in Russian below. Grand Duke Constantine Constantinovich was the second son of Grand Duke Constantine Nikolayevich. He was a patron of the arts and a respected poet. Several of his sons died during the First World War and the Russian Revolution.