Editing Princess Helena of Waldeck and Pyrmont (section)

==Marriage and Issue==
TBA

{| class="wikitable"
|+
!Photo
!Name
!Birth
!Death
!Marriage
|-
|[[File:Oldenburg_Anton_Gunther.jpg|frameless|150x150px]]
|[[Grand Duke Anton Gunther of Oldenburg|Anton Gunther]]
|16 January 1923
|20 September 2014 (aged 91)
|[[Princess Amelie of Lowenstein-Wertheim-Freudenberg]] (m. 1951); had issue
|-
|[[File:House_Oldenburg.png|frameless|117x117px]]
|[[Princess Rixa of Oldenburg|Princess Rixa]]
|28 March 1924
|1 April 1939 (aged 15)
|Died in adolescence
|-
|[[File:Oldenburg_Peter_1926.png|frameless|150x150px]]
|[[Prince Peter of Oldenburg|Prince Peter]]
|7 August 1926
|18 November 2016 (aged 90)
|[[Princess Gertrud of Lowenstein-Wertheim-Freudenberg]] (m. 1951); had issue
|-
|[[File:Oldenburg_Eilika_1928.png|frameless|150x150px]]
|[[Princess Eilika of Oldenburg|Princess Eilika]]
|2 February 1928
|26 January 2016 (aged 87)
|[[Emich Kyrill, Prince of Leiningen]] (m. 1950); had issue
|-
|[[File:Oldenburg_Egilmar.png|frameless|150x150px]]
|[[Prince Egilmar of Oldenburg|Prince Egilmar]]
|14 October 1934
|10 May 2013 (aged 78)
|Died unmarried and without issue
|-
|[[File:Oldenburg_Friedrich_August.png|frameless|150x150px]]
|[[Prince Friedrich August of Oldenburg|Prince Friedrich August]]
|11 January 1936
|9 July 2017 (aged 81)
|[[Princess Marie Cecile of Prussia]] (m. 1965); had issue
|-
|[[File:Oldenburg_Altburg.png|frameless|150x150px]]
|[[Princess Altburg of Oldenburg|Altburg von Erffa]]
|14 October 1938
|
|[[Rudiger von Erffa]] (m. 1967); has issue
|-
|[[File:Oldenburg_Johann_Friedrich.png|frameless|150x150px]]
|[[Prince Huno Friedrich of Oldenburg|Prince Huno Friedrich]]
|3 January 1940
|
|[[Countess Felicitas Anita of Krosigk]] (m. 1970); has issue
|-
|[[File:Oldenburg_Huno_Friedrich.png|frameless|150x150px]]
|[[Prince Johann Friedrich of Oldenburg|Prince Johann Friedrich]]
|3 January 1940
|13 April 2025 (aged 85)
|[[Countess Ilka of Ortenburg]] (m. 1971); had issue
|}