_Paul I Petrovich SCHLESWIG-HOLSTEIN-GOTTORP-ROMANOV _+
                                                                                                                          | (1754 - 1801)                                        
                                                                _Nicholas I Pavlovich SCHLESWIG-HOLSTEIN-GOTTORP-ROMANOV _|
                                                               | (1796 - 1855)                                            |
                                                               |                                                          |_Sophie Marie of WÜRTTEMBERG ________________________+
                                                               |                                                            (1759 - 1828)                                        
 _Alexander II Nikolaevich SCHLESWIG-HOLSTEIN-GOTTORP-ROMANOV _|
| (1818 - 1881)                                                |
|                                                              |                                                           _Frederick William III HOHENZOLLERN __________________+
|                                                              |                                                          | (1770 - 1840) m 1793                                 
|                                                              |_Charlotte of HOHENZOLLERN _______________________________|
|                                                                (1798 - 1860)                                            |
|                                                                                                                         |_Louise Auguste of MECKLENBURG-STRELITZ ______________+
|                                                                                                                           (1776 - 1810) m 1793                                 
|
|--Alexander III Alexandrovich SCHLESWIG-HOLSTEIN-GOTTORP-ROMANOV 
|  (1845 - 1894)
|                                                                                                                          _Louis I HESSE-DARMSTADT _____________________________+
|                                                                                                                         | (1753 - 1830)                                        
|                                                               _Louis II HESSE-DARMSTADT ________________________________|
|                                                              | (1777 - 1848)                                            |
|                                                              |                                                          |_Louise of HESSE-DARMSTADT ___________________________+
|                                                              |                                                            (1761 - 1829)                                        
|_Marie of HESSE-DARMSTADT ____________________________________|
  (1824 - 1880)                                                |
                                                               |                                                           _Charles Louis ZÄHRINGEN ____________________________+
                                                               |                                                          | (1755 - 1801) m 1774                                 
                                                               |_Wilhelmine of ZÄHRINGEN ________________________________|
                                                                 (1788 - 1836)                                            |
                                                                                                                          |_Friederike Amalie of HESSE-DARMSTADT ________________+
                                                                                                                            (1754 - 1832) m 1774