_Nicholas Peter II SCHLESWIG-HOLSTEIN-GOTTORP _+
                                                                                               | (1827 - 1900)                                 
                                            _Frederick Augustus II SCHLESWIG-HOLSTEIN-GOTTORP _|
                                           | (1852 - 1931)                                     |
                                           |                                                   |_Elisabeth Pauline of WETTIN __________________+
                                           |                                                     (1826 - 1896)                                 
 _Nicolas SCHLESWIG-HOLSTEIN-GOTTORP ______|
| (1897 - 1970) m 1921                     |
|                                          |                                                    _Frederick Francis II MECKLENBURG-SCHWERIN ____+
|                                          |                                                   | (1823 - 1883)                                 
|                                          |_Elisabeth Alexandrine of MECKLENBURG-SCHWERIN ____|
|                                            (1869 - 1955)                                     |
|                                                                                              |_Augusta of REUSS _____________________________
|                                                                                                (1822 - 1862)                                 
|
|--Altburg of SCHLESWIG-HOLSTEIN-GOTTORP 
|  (1938 - ....)
|                                                                                               _______________________________________________
|                                                                                              |                                               
|                                           ___________________________________________________|
|                                          |                                                   |
|                                          |                                                   |_______________________________________________
|                                          |                                                                                                   
|_Helena Bathildis of WALDECK-AND-PYRMONT _|
  (1899 - 1948) m 1921                     |
                                           |                                                    _______________________________________________
                                           |                                                   |                                               
                                           |___________________________________________________|
                                                                                               |
                                                                                               |_______________________________________________