Married to a princess Ypsilantis, Konstantin actively supported the Greek secret society Filiki Eteria and the military action of Alexander Ypsilantis in Moldavia and Wallachia.
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At the beginning of 1865 Konstantin Catacazy wrote a memorandum to Prince Alexander Mikhailovich Gorchakov state chancellor of the Russian Empire in which he outlined a plan for a Russian mediation in the American Civil War.
Konstantin Simonov | Konstantin Zatulin | Konstantin Wecker | Konstantin Krause | Konstantin Kinchev | Konstantin Ushinsky | Konstantin Thon | Konstantin Somov | Konstantin Biebl | Grand Duke Konstantin Nikolayevich of Russia | Konstantin Rykov | Konstantin Raikin | Konstantin Paustovsky | Konstantin Novoselov | Konstantin Melnikov | Konstantin Meladze | Konstantin Leselidze | Konstantin Chernenko | Konstantin Buteyko | Traugott Konstantin Oesterreich | ''The Bulgarian martyresses'' by Konstantin Makovsky | ''The Bulgarian Martyresses'' (1877), a painting by Konstantin Makovsky | Phil Konstantin | Konstantin Trenyov | Konstantin Svechkar | Konstantin Rokossovsky | Konstantin Pobedonostsev | Konstantin Mikhailov | Konstantin Kuznetsov (cinematographer) | Konstantin Kostenko |