Nikolaus, Hereditary Grand Duke of Oldenburg
Member of the House of Holstein-Gottorp
Nikolaus, Hereditary Grand Duke of Oldenburg 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... Wikipedia
Born: August 10, 1897, Oldenburg, Germany
Died: April 3, 1970 (age 72 years), Rastede, Germany
Grandchildren: Christian, Duke of Oldenburg, Beatrix von Storch, Eilika Duchess of Oldenburg, and more
Spouse: Anne-Marie von Schutzbar genannt Milchling (m. 1950) and Princess Helena of Waldeck and Pyrmont (m. 1921)