Russia

House of Romanoff
Michael - - 1613-1645
Alexis - - 1645-1676
Theodore III - - 1676-1682
Ivan V (Sophia-Regent) - - 1682-1689
Peter I (The Great) - - 1689-1725
Catherine I - - 1725-1727
Peter II - - 1727-1730
Anne - - 1730-1740
Ivan VI - - 1740-1741
Elizabeth - - 1741-1762
Peter III - - 1762
Catherine II (The Great) - - 1762-1796
Paul I - - 1796-1801
Alexander I - - 1801-1825
Nicholas I - - 1825-1855
Alexander II - - 1855-1881
Alexander III - - 1881-1894
Nicholas II - - 1894-1917

The tsardom ended with the Revolution in 1917

Sweden

House of Vasa:
Charles IX - - 1607-1611
Gustavas II - - 1611-1632
Queen Christina (abdicated) - - 1632-1654
Charles X - - 1654-1660
Charles XI - - 1660-1697
Charles XII - - 1697-1718
Ulrica Eleanora (abdicated) - - 1718-1720
Frederick I - - 1720-1751
House of Oldenburg-Holstein:
Adolphus Frederick - - 1751-1771
Gustavus III - - 1771-1792
Gustavas IV (deposed) - - 1792-1809
Charles XIII - - 1809
Charles XIV (Bernadotte) - - 1818-1844
Oscar I - - 1844-1859
Charles XV - - 1859-1872
Oscar II - - 1872-1907
Gustavas V - - 1907-1950
Gustavas VI - - 1950-1973
Charles XVI Gustavas - - 1973-