Johann Friedrich von Schleswig-Holstein-Sonderburg-Franzhagen
type: Person
description: (1639-1649)
birth date: 1639-12-26
death date: 1649-02-19
parent: Johann Christian, Duke of Schleswig-Holstein-Sonderburg
parent: Anna of Delmenhorst
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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: 2026-08-13T19:52:21.442834Z
  entity updated at: 2026-05-03T16:20:22.557058+00:00Z
  entity created at: 2026-05-03T14:29:14.809163+00:00Z