Alexander I Pavlovich Romanov.
All-Russian Sovereign Emperor in 1801-1825. The son of Emperor Paul I and Empress Maria Feodorovna. Born on December 12th, 1777. Enthroned on March 12th, 1801, crowned on September 15th, 1801. He married to Princess Louise-Maria-Augusta (born January 13th, 1779, died May 4th, 1826) on September 28th, 1793, the daughter of Karl-Louis, Crown Prince of Baden. He died on November 19th, 1825 in Taganrog, and was buried in the Peter and Paul Cathedral in St. Petersburg.