Alexandra Iosifovna, born Princess Alexandra Friederike Henriette of Saxe-Altenburg, (1830-1911) married Grand DukeKonstantin Nikolaevich Romanov of Russia, second son of Nicholas I of Russia in September 1848. Saxe-Altenburg (German Sachsen-Altenburg) was one of the Saxon duchies held by the Ernestine branch of the Wettin dynasty. ... 1830 was a common year starting on Friday (see link for calendar). ... A database query syntax error has occurred. ... The title of Grand Duke (Latin, Magnus Dux; German, Großherzog, Russian, Великий князь) used in Slavic, Baltic, and Germanic countries, is ranked in honour below King but higher than a sovereign Duke (Herzog) or Prince (Fürst). ... Nicholas I Pavlovich (Russian: Николай I Павлович, July 6 (June 25, Old Style), 1796–March 2 (February 18, Old Style), 1855) was the Emperor of Russia and king of Poland from 1825 until his death in 1855. ... 1848 is a leap year starting on Saturday (link will take you to calendar). ...
He inherited haemophilia from his mother Alexandra, a condition which could be traced back to her maternal grandmother Queen Victoria.
His haemophilia led to controversy, on the grounds that it was believed that his mother was having an affair with the Russian starets, Grigori Rasputin.
This theme is explored in Robert K. Massie's Nicholas and Alexandra.