Duke Constantine Petrovich of Oldenburg
Duke of Oldenburg (1850-1906)
(1850–1906)
Parents
Princess Therese of Nassau
Duke Peter of Oldenburg
Children
Aleksai Konstantinovich von Zarnekau, Count von Zarnekau
Countess Alexandra von Zarnekau
Nikolai Konstantinovich von Zarnekau, Count von Zarnekau
Petr Konstantinovich von Zarnekau, Count von Zarnekau
Ekaterina Konstantinovna von Zarnekau, Countess von Zarnekau
Nina Konstantinovna von Zarnekau, Countess von Zarnekau
Siblings
Ekaterina Petrovna of Oldenburg
Duchess Therese Petrovna of Oldenburg
Duke Alexander Petrovich of Oldenburg
Duchess Alexandra of Oldenburg
Georg Friedrich Alexander von Holstein-Gottorp, Herzog von Oldenburg
Marie Friederike Cäcilie of Oldenburg
Duke Nikolaus of Oldenburg
Partners
Aggripina Djaparidze, Countess of Zarnekau