Jean was the son of Prince Constantin Caradja and Adèle Condo Dandolo who descended from the famous VenetianDoges family. He was the grandson of Prince John Caradja. In 1859 he married in Caroline Durand in Constantinople. They had one child before they divorced:
Princesse Marguerite Karadja Durand who married a French diplomat, Baron Evain Pavée de Vendeuvre. They in turn had 7 children.
Prince Constantin Karadja, who married Princess Marcelle Hélène Caradja.
Princess Despina Marie Roxane Alexandra Theodora Karadja, who had no issue.
Education and studies
After high school in Athens and the military school and law education in Berlin, he was admitted at age 15 to the translation office of the Ottoman Empire in 1850, through which all the future Ottoman diplomats passed.
Diplomatic career
In 1851 Jean was appointed secretary of the Ottoman legation in Berlin, which was led by his father Constantin from December 1847 – October 1857. It was common practice that the lower officials of the Ottoman ministry were selected from their own family members. In 1854 he was appointed prime secretary of the Ottoman legation in The Hague and in November he was admitted to the Ottoman army as commander of the general staff. Keeping his title as prime secretary, he was named to the Ottoman legation in Brussels and in The Hague. He also takes office as military attaché. In 1860 he was transferred to Turin and later as Consul General to Ancona. In April 1871 he was Consul General in Venice and in November 1874 in Brindisi. In September 1879 he was appointed director of the Imperial lyceum in Galatasaray and received the title Pasha. In July 1881 at the age of 46 and with 31 years in the diplomatic service, he was appointed Minister Plenipotentiary in The Hague and simultaneously in Stockholm where he became a well known personality in diplomatic circles and high society. He died in 1894 as minister for The Hague and Stockholm and was buried in the Orthodox chapel of the family castle in Bovigny, Belgium. From his 44 years in the Imperial Ottoman service, he lived only 2–3 years in Turkey.
