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Count Jan (Johann) IV of Nassau (1 August 1410, Dillenburg – 3 February 1475, Breda) was Count of Nassau, Dietz and Dillenburg. He was the son of Engelbert I of Nassau, Count of Nassau and Dillenburg, Lord of Breda and Johanna van Polanen.[1]

John IV, Count of Nassau
Born(1410-08-01)1 August 1410
Dillenburg
Died3 February 1475(1475-02-03) (aged 64)
Breda
Noble familyNassau
Spouse(s)Maria of Loon-Heinsberg
FatherEngelbert I of Nassau
MotherJohanna van Polanen
Jan IV of Nassau and his wife Maria of Loon-Heinsberg; both were decades dead by 1538-40, when a set of dynastic designs were made in pen with watercolour by Bernard van Orley

He married Maria of Loon-Heinsberg, Lady of Millen, Gangelt and Vucht (born in 1424), the daughter of John II of Loon, Lord of Jülich, Heinsberg and Löwenberg, on 7 February 1440. They had children, including:

ReferencesEdit

  1. ^ De Nederlandsche leeuw: Maandblad van het Koninklijk Nederlandsch Genootschap voor Geslacht- en Wapenkunde, Volume 8, 1890, pg 90-91