Nicholas I
Tsar: 1825-1855
Born:  25-Jun-1796
Died: 18-Feb-1855
Predecesor: Alexander I
Succesor:  Alexander II
Father: Paul I
Mother: Sophia Dorothea of Wurttemberg (Maria Feodorovna)
Marriage (1): Charlotte of Prussia (Alexandra Feodorovna )
Children:
Alexander II, Tsar of Russia (1818-1881)
Maria Nicolaievna (1819-1876)
Olga Nicolaievna (1822-1892)
Alexandra Nicolaievna (1825-1844)
Konstantin Nicolaievitch (1827-1892)
Nicholas Nicolaievitch (1831-1891)
Mikhail Nicolaievitch (1832-1909)