_Nicholas I Pavlovich HOLSTEIN-GOTTORP-ROMANOV __________+
                                                                                                                                   | (1796 - 1855)                                           
                                                                 _Alexander II Nikolaevich HOLSTEIN-GOTTORP-ROMANOV _______________|
                                                                | (1818 - 1881)                                                    |
                                                                |                                                                  |_Friederike Louise Charlotte Wilhelmine of HOHENZOLLERN _+
                                                                |                                                                    (1798 - 1860)                                           
 _Vladimir Alexandrovich HOLSTEIN-GOTTORP-ROMANOV ______________|
| (1847 - 1909)                                                 |
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|                                                               |_Maximilianne Wilhelmine Auguste Sophie Marie of HESSE-DARMSTADT _|
|                                                                 (1824 - 1880)                                                    |
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|--Boris Vladimirovich HOLSTEIN-GOTTORP-ROMANOV 
|  (1877 - 1943)
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|_Marie Alexandrine Elisabeth Eleonore of MECKLENBURG-SCHWERIN _|
  (1854 - 1920)                                                 |
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