Countess Alexandra von Zarnekau Russian princess (1883-1957) (1883–1957) Parents Duke Constantine Petrovich of Oldenburg Aggripina Djaparidze, Countess of Zarnekau Children Aleksandr Yuryevsky Siblings Ekaterina Konstantinovna von Zarnekau, Countess von Zarnekau Nina Konstantinovna von Zarnekau, Countess von Zarnekau Petr Konstantinovich von Zarnekau, Count von Zarnekau Nikolai Konstantinovich von Zarnekau, Count von Zarnekau Aleksai Konstantinovich von Zarnekau, Count von Zarnekau Partners Lev Naryshkin Prince George Alexandrovich Yuryevsky