

Nikolaus Hereditary Grand Duke of Oldenburg
- Category : 1897-births
- Type : PSE
- Profile : 5/1 - Heretical / Investigator
- Definition : Single
- Incarnation Cross : LAX Masks 2
Biography
Hereditary Grand Duke of Oldenburg as the eldest son of Friedrich August II, Grand Duke of Oldenburg, who was the last ruling Grand Duke of Oldenburg.
Nikolaus married on 26 October 1921 in Arolsen to Princess Helena of Waldeck and Pyrmont (1899–1948), only daughter of Friedrich, Prince of Waldeck and Pyrmont and his wife, Princess Bathildis of Schaumburg-Lippe. Nikolaus and Helena had nine children.
His wife died in 1948, and he married on 20 September 1950 in Güldenstein to Anne-Marie von Schutzbar gennant Milchling (1903–1991), daughter of Rudolf von Schutzbar gen. Milchling and Rose Marston. Nikolaus and Anne-Marie had no children.
In 1931, Nikolaus succeeded to his father's titles and assumed the role of pretender to the Grand Duchy, until his death on 3 April 1970.