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Nikolaus, Hereditary Grand Duke of Oldenburg

Nikolaus, Hereditary Grand Duke of Oldenburg

German suke
The basics
Quick Facts
Intro German suke
Countries Germany
Occupations Politician
A.K.A. Nicolau d'Oldenburg
Gender male
Birth August 10, 1897 (Oldenburg, Lower Saxony, Germany)
Death April 3, 1970 (Rastede, Ammerland, Lower Saxony, Germany)
Mother: Duchess Elisabeth Alexandrine of Mecklenburg-Schwerin
Father: Frederick Augustus IIGrand Duke of Oldenburg
Spouse: Princess Helena of Waldeck and PyrmontAnne-Marie von Schutzbar genannt Milchling
Children: Duke Friedrich August of OldenburgAnton-GüntherDuke of OldenburgEilika Stephanie Elisabeth Thekla Juliana
The details

Nikolaus, Hereditary Grand Duke of Oldenburg (German: Nikolaus Friedrich Wilhelm von Holstein-Gottorp, Erbgroßherzog von Oldenburg; 10 August 1897 – 3 April 1970) was the eldest son of Frederick Augustus II, Grand Duke of Oldenburg, who was the last ruling Grand Duke of Oldenburg.

In 1931, Nikolaus succeeded to his father's titles and assumed the role of pretender to the Grand Duchy, until his death in 1970.

Early life

Nikolaus was born at Oldenburg, Grand Duchy of Oldenburg, the third child and first son of Frederick Augustus II, Grand Duke of Oldenburg (1852–1931), (son of Peter II, Grand Duke of Oldenburg and Princess Elisabeth of Saxe-Altenburg) and his wife, Duchess Elisabeth Alexandrine of Mecklenburg-Schwerin (1869–1955), (daughter of Frederick Francis II, Grand Duke of Mecklenburg-Schwerin and Princess Marie of Schwarzburg-Rudolstadt).

He was a first cousin of Queen Juliana of the Netherlands and with his wife and other family members was a guest at her 1937 wedding to Prince Bernhard of Lippe-Biesterfeld.


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.

They had nine children:

  • Anton-Günther, Duke of Oldenburg (16 January 1923 – 20 September 2014) he married Princess Ameli of Löwenstein-Wertheim-Freudenberg on 7 August 1951. They have two children and four grandchildren.
  • Duchess Rixa a Elisabeth Bathildis Enna Cecilie of Oldenburg (28 March 1924 – 1 April 1939) she died at the age of fifteen after she fell off her horse.
  • Duke Peter Friedrich August Max of Oldenburg (7 August 1926 - 18 November 2016) he married Princess Gertrud of Löwenstein-Wertheim-Freudenberg (24 Jan 1926-4 Feb 2011; sister of Princess Ameli of Löwenstein-Wertheim-Freudenberg) on 7 August 1951. They have four children:
    • Duke Friedrich August Nicholas Udo Peter Philip of Oldenburg (26 September 1952) he married Belinda Warter on 22 December 1981. They have three daughters:
      • Duchess Anastasia Caroline Margarete Adelheid of Oldenburg (10 October 1982)
      • Duchess Alice Johanna Helene Susannah of Oldenburg (15 April 1986)
      • Duchess Cara Emma Amanda Bettina of Oldenburg (14 June 1993)
    • Duchess Margarete Elisabeth Bathildis Ameli Eilika Barbara Marie-Alix Altburg of Oldenburg (16 May 1954) she married Prince Philipp of Croÿ (descendant of Anne Emmanuel de Croÿ) on 27 June 1985. They have three children:
      • Prince Alexander Friedrich-August Albrecht Ernst of Croÿ (6 March 1987)
      • Prince Maximilian Johannes Alexander Englebert of Croÿ (31 May 1988- January 2015)
      • Princess Rosalie Franziska Carolyn Marie-Eugenie of Croÿ (23 October 1990)
    • Duke Nikolaus Anton-Günther Max Johann Alfred Ernst of Oldenburg (21 May 1955) he married Anna Dyckerhoff on 19 June 1982. They have three sons:
      • Duke Christoph Christian Ludwig Friedrich Wilhelm of Oldenburg (31 December 1985)
      • Duke Georg Friedrich August Karl Constantin Hubertus Claus of Oldenburg (29 January 1990)
      • Duke Oscar Philippe Raimund Thomas Jan of Oldenburg (31 January 1991)
    • Duke Georg-Moritz Friedrich Ferdinand Egilmar Huno of Oldenburg (25 June 1957)
  • Duchess Eilika Stephanie Elisabeth Thekla Juliana of Oldenburg (2 February 1928 - 26 January 2016) she was a bridesmaid at the 1937 wedding of Juliana of the Netherlands with Prince Bernhard of Lippe-Biesterfeld. She married Emich, 7th Prince of Leiningen on 10 August 1950. They have four children and six grandchildren.
  • Duke Egilmar Friedrich Franz Stephan Wilhelm of Oldenburg (14 October 1934 - 2013)
  • Duke Friedrich August of Oldenburg (11 January 1936) he married Princess Marie Cécile of Prussia on 4 December 1965 and they were divorced on 23 November 1989. They have three children and seven grandchildren. He remarried Countess Donata of Castell-Rüdenhausen on 9 February 1991
  • Duchess Altburg Elisabeth Hilda Ingeborg Marie Luise Mathilde of Oldenburg (14 October 1938) she married Baron Rüdiger von Erffa on 8 July 1967. They have five sons and twelve grandchildren:
    • Baron Mattias Nikolaus Huno Burkhart Hartmann von Erffa (20 December 1968) he married Baroness Alexandra von Mirbach on 1 November 1997. They have four children:
      • Baroness Elisabeth Christine Olga Sophie von Erffa (27 September 2000)
      • Baron Nikolaus Hubertus Konstatin Hartmann von Erffa (12 November 2001)
      • Baron Ludwig Stephan Carl Ferdinand Hartmann von Erffa (20 June 2003)
      • Baron Maximilian Hubertus Wolfram Hartmann von Erffa (8 October 2005)
    • Baron Rudolf Anton-Günther Johann Friedrich-August Mandred Hartmann von Erffa (12 December 1969) he married Katharina Belzer von Albertis on 30 April 1998. They have three children:
      • Baroness Johanna Barbara Maria von Erffa (16 April 1999)
      • Baron Cornelius Stefan Henning Hartmann von Erffa (24 December 2000)
      • Baroness Pauline Vita Claudia von Erffa (2 July 2003)
    • Baron Ferdinand Peter Hartmann von Erffa (16 February 1971) he married Ingeborg von der Schulenburg-Alvensleben on 13 June 1998. They have three sons:
      • Baron Carl Matthias Ludwig Hartmann von Erffa (28 April 2000)
      • Baron Anton Stephan Christian Hartmann von Erffa (18 June 2002)
      • Baron Peter Rudolf Conor Thomas Hartmann von Erffa (18 July 2004)
    • Baron Hurbertus Christoph Hartmann von Erffa (15 October 1974) he married Fee Gerling on 11 June 2008.
    • Baron Stephan Egilmar Hartmann von Erffa (15 October 1974) he married Helen von Schanzenbach on 31 December 2003. They have two daughters:
      • Baron Philippa Annette Ingeborg von Erffa (22 November 2005)
      • Baroness Cecilia Dorothea Reili Katharina von Erffa (21 September 2007)
  • Duke Huno Friedrich Peter Max of Oldenburg (3 January 1940) he married Countess Felicitas-Anita von Schwerin von Krosigk on 6 June 1970. They have two daughters and three grandchildren:
    • Beatrix later von Storch MEP (27 May 1971) she married Sven Andreas von Storch on 22 October 2010.
    • Duchess Sophie Altburg Marie Cécile Margarete of Oldenburg (6 November 1972) she married Joseph Maria von Radowitz on 24 June 2004.
      • Joseph von Radowitz (26 August 2006)
      • Aglaë von Radowitz (9 January 2009)
      • Enzo Alexander Stephan Philip von Radowitz (23 August 2010)
  • Duke Johann Friedrich Adolf of Oldenburg (3 January 1940) he married Countess Ilka of Ortenburg on 9 October 1971. They have three children and five grandchildren:
    • Duchess Eilika of Oldenburg (22 August 1972) she married Archduke Georg of Austria on 18 October 1997. They have three children.
    • Dcuhess Tatiana Ingeborg Altburg Elisabeth Marita of Oldenburg (11 November 1974) she married Axel de Chavagnac on 11 September 2010. They have two children:
      • Alexandrine de Chavagnac (30 September 2011)
      • Astrid de Chavagnac (31 January 2014)
    • Duke Constantin Nikolaus Alram Heinrich Hubertus of Oldenburg (13 December 1975) he married Esther Sáchez Calvo on 3 December 2012.

His wife died in 1948, he married secondly 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. They had no children.

Titles and styles

  • 10 August 1897 – 13 June 1900: His Highness Duke Nikolaus of Oldenburg
  • 13 June 1900 – 3 April 1970: His Royal Highness The Hereditary Grand Duke of Oldenburg


Notes and sources

Nikolaus, Hereditary Grand Duke of Oldenburg
House of Holstein-Gottorp
Cadet branch of the House of Oldenburg
Born: 10 August 1897 Died: 3 April 1970
Titles in pretence
Preceded by
Frederick Augustus II
Grand Duke of Oldenburg
Reason for succession failure:
Grand Duchy abolished in 1918
Succeeded by
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Early life Marriage Titles and styles Ancestry Notes and sources
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