Nikolaus, Hereditary Grand Duke of Oldenburg

German duke (1897-1970) (1897–1970)

Parents

• Frederick Augustus II, Grand Duke of Oldenburg
• Duchess Elisabeth Alexandrine of Mecklenburg-Schwerin

Children

• Duke Friedrich August of Oldenburg
• Huno Herzog von Oldenburg
• Duchess Altburg of Oldenburg
• Anton-Günther, Duke of Oldenburg
• Duke Peter of Oldenburg
• Duke Johann of Oldenburg
• Duke Egilmar of Oldenburg
• Duchess Rixa of Oldenburg
• Duchess Eilika of Oldenburg

Siblings

• Duchess Sophia Charlotte of Oldenburg
• Duchess Altburg of Oldenburg
• Duke Friedrich August of Oldenburg
• Duchess Margarete of Oldenburg
• Alexandrine von Holstein-Gottorp
• Ingeborg Alix von Oldenburg

Partners

• Anne-Marie von Schutzbar genannt Milchling
• Princess Helene of Waldeck and Pyrmont