(1) Hij is getrouwd met Maria van Loon-Heinsberg.
Zij zijn getrouwd op 7 februari 1440, hij was toen 29 jaar oud.
Kind(eren):
(2) Hij had een relatie met Aleid van Lommel.
Kind(eren):
Gebeurtenis (unmarried).
Geen officieel huwelijk
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]
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:
Anna of Nassau (1441–1514)
Johanna of Nassau (1444–1468)
Ottillie of Nassau (1445–1493)
Adriana of Nassau (1449–1477)
Engelbert II of Nassau (1451–1504)
Johann V of Nassau (1455–1516)
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