Duke Nikolaus of Oldenburg

(1840-1886) (1840–1886)

Parents

• Princess Therese of Nassau
• Duke Peter of Oldenburg

Children

• Alexandra von Ostenburg, Countess von Ostenburg
• Olga von Ostenburg, Countess von Ostenburg
• Vera von Ostenburg, Countess von Ostenburg

Siblings

• Georg Friedrich Alexander von Holstein-Gottorp, Herzog von Oldenburg
• Marie Friederike Cäcilie of Oldenburg
• Duchess Therese Petrovna of Oldenburg
• Ekaterina Petrovna of Oldenburg
• Duke Constantine Petrovich of Oldenburg
• Duke Alexander Petrovich of Oldenburg
• Duchess Alexandra of Oldenburg

Partners

• Maria Bulatzelly