Editing Prince Nikolaus of Oldenburg (section)

==Ancestry==
{| class="wikitable"
|+
!Parents
!Grandparents
!Great-Grandparents
!Great-Great-Grandparents
|-
|[[Alexander, Hereditary Grand Duke of Oldenburg]]
|[[Christian, Grand Duke of Oldenburg]]
[[Countess Caroline of Rantzau]]
|[[Grand Duke Anton Gunther of Oldenburg]]
[[Princess Ameli of Lowenstein-Wertheim-Freudenberg]]

[[Christian, Count of Rantzau]]

[[Heloise von Lettow-Vorbeck]]
|[[Grand Duke Nikolaus of Oldenburg]]
[[Princess Helena of Waldeck and Pyrmont]]

[[Udo, Prince of Lowenstein-Wertheim-Freudenberg]]

[[Countess Margarete of Castell-Castell]]

[[Hans, Count of Rantzau]]

[[Countess Emma of Rantzau]]

[[Paul von Lettow-Vorbeck]]

[[Martha Wallroth]]
|-
|[[Princess Olga of Yugoslavia (b. 1988)|Princess Olga of Yugoslavia]]
|[[Alexander II, King of Yugoslavia]]
[[Princess Maria da Gloria of Brazil]]
|[[King Peter II of Yugoslavia]]
[[Princess Alexandra of Greece]]

[[Emperor Pedro IV of Brazil]]

[[Princess Maria de la Esperanza of the Two Sicilies]]
|[[King Alexander I of Yugoslavia]]
[[Princess Maria of Romania (b. 1900)|Princess Maria of Romania]]

[[King Alexander of Greece]]

[[Aspasia Manos]]

[[Emperor Pedro III of Brazil]]

[[Countess Elisabeth of Dobrzenicz]]

[[Prince Carlo of the Two Sicilies (b. 1870)|Prince Carlo of the Two Sicilies]]

[[Princess Louise of France (b. 1882)|Princess Louise of France]]
|}