Alexei was the heir apparent to the Romanov Throne. In February 1913, Nicholas presided over the tercentenary celebrations for the Romanov Dynasty. The Romanov dynasty ruled Russia until 1917. Pleads for clemency from Romanov relatives on his behalf were dismissed by the Tsar. Russian had always been limited, especially after the assassination of the Romanov dynasty of tsars. A young Grigori Rasputin makes a silent cameo among the crowd at the Romanov castle. In January 1917, the Grand Duke Dimitri Pavlovich Romanov was sent to join Baratov. He was the first tsar of the House of Romanov. This marriage was intended to strengthen the relationships between the houses of Romanov and Habsburg. Royal dynastic orders of the House of Romanov. Prince Andrew Andreevich Romanov (born 21 January 1923) is a Russian American artist and author. This monarchical event coincided with the 400th anniversary of Romanov House. Salt mud spas frequented by the Russian Romanov family still operate. With Peter's death, the direct male line of the Romanov dynasty ended. Mortdecai is kidnapped by thugs working for a Russian named Romanov.