Grand Duke Constantine Nicholaievich of Russia

Константин Николаевич; September 9 1827 – January 13 1892 was the second son of Tsar Nicholas I of Russia. During the reign of his brother Alexander II, Konstantin was an admiral of the Russian fleet
English: Grand Duke Konstantin Nikolaevich of Russia (Константин Николаевич; September 9 1827 – January 13 1892) was the second son of Tsar Nicholas I of Russia. During the reign of his brother Alexander II, Konstantin was an admiral of the Russian fleet
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