_Paul I Petrovich HOLSTEIN-GOTTORP-ROMANOV ____________________________+ | (1754 - 1801) _Nicholas I Pavlovich HOLSTEIN-GOTTORP-ROMANOV _______________________| | (1796 - 1855) | | |_Sophie Marie Dorothea Auguste Luise WÜRTTEMBERG _____________________+ | (1759 - 1828) _Nicholas Nikolaevich HOLSTEIN-GOTTORP-ROMANOV _| | (1831 - 1891) m 1855 | | | _Frederick William III HOHENZOLLERN ___________________________________ | | | (1770 - 1840) | |_Friederike Louise Charlotte Wilhelmine of HOHENZOLLERN ______________| | (1798 - 1860) | | |_Louise Auguste Wilhelmine Amalie of MECKLENBURG-STRELITZ _____________+ | | |--Nicholas Nikolaevich HOLSTEIN-GOTTORP-ROMANOV | (1856 - 1929) | _Peter Frederick George OLDENBURG _____________________________________+ | | (1784 - 1812) m 1809 | _Constantine Frederick Peter HOLSTEIN-GOTTORP ________________________| | | (1812 - 1881) m 1837 | | | |_Catherine Pavlovna of HOLSTEIN-GOTTORP-ROMANOV _______________________+ | | (1788 - 1819) m 1809 |_Alexandra Petrovna HOLSTEIN-GOTTORP ___________| (1838 - 1900) m 1855 | | _Georg Wilhelm August Heinrich Belgicus NASSAU-WEILBURG _______________+ | | (1792 - 1839) m 1813 |_Therese Wilhelmine Friederike Isabelle Charlotte of NASSAU-WEILBURG _| (1815 - 1871) m 1837 | |_Charlotte Luise Friederike Amalie Alexandrine of SAXE-HILDBURGHAUSEN _ (1794 - 1825) m 1813