Ekaterina Konstantinovna von Zarnekau, Countess von Zarnekau
type: Person
description: (1884-1963)
birth date: 1884-09-16
death date: 1963-12-24
parent: Duke Constantine Petrovich of Oldenburg
parent: Aggripina Djaparidze, Countess of Zarnekau
spouse: Ivan von Plön
children: Tatiana von Plön
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additional property: PropertyValue
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  value: December 24, 1963
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additional property: PropertyValue
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additional property: PropertyValue
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citations:
  source: The Peerage
  stated in qid: Q21401824
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  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-13T14:30:51.874224Z
  entity updated at: 2026-05-03T16:20:22.557058+00:00Z
  entity created at: 2026-05-03T14:15:54.830306+00:00Z