_Frederick Augustus II HOLSTEIN-GOTTORP ________+
                                                                                                                                   | (1852 - 1931)                                  
                                                              _Nicolas Frederick William HOLSTEIN-GOTTORP _________________________|
                                                             | (1897 - 1970) m 1921                                                |
                                                             |                                                                     |_Elisabeth Alexandrine of MECKLENBURG-SCHWERIN _
                                                             |                                                                       (1869 - 1955)                                  
 _Frederick August Wilhelm Christian Ernst HOLSTEIN-GOTTORP _|
| (1936 - 2017) m 1965                                       |
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|                                                            |_Helena Bathildis Charlotte Maria Friederike of WALDECK-AND-PYRMONT _|
|                                                              (1899 - 1948) m 1921                                                |
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|
|--Rixa Marie-Alix Kira Altburg of HOLSTEIN-GOTTORP 
|  (1970 - ....)
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|_Marie Cécile of HOHENZOLLERN _____________________________|
  (1942 - ....) m 1965                                       |
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