He is married to Margarete von SCHLESWIG-HOLSTEIN-SONDERBURG.
They got married on August 2, 1603, he was 42 years old.
Child(ren):
Count John VII of Nassau (7 June 1561 - 27 September 1623) was Count of Nassau in Siegen and Freudenberg as John I. He was the second son of Count John VI of Nassau-Dillenburg and his wife Elisabeth of Leuchtenberg.
Family and children
He was married twice. Firstly, he married on 9 December 1581 with Countess Magdalena of Waldeck, daughter of Count Philip IV of Waldeck-Wildungen and Jutta of Isenburg. They had the following children:
Johann Ernst (21 October 1582 - 27 September 1617), a general in the Venetian army, involved in the Uskok War;
Count John VIII of Nassau in Siegen (29 September 1583 - 27 July 1638)
Elisabeth (8 November 1584 - 26 July 1661), married on 26 July 1604 to Count Christian of Waldeck
Adolf (8 August 1586 - 7 November 1608)
Juliane (3 September 1587 - 15 February 1643), married on 22 May 1603 to Landgrave Maurice of Hesse-Kassel (or Hesse-Cassel)
Anna Maria (3 March 1589 - 27 February 1620), married on 3 February 1611 to Count John Adolf of Daun
Johann Albrecht, born and died in 1590
Count William of Nassau in Hilchenbach (13 August 1592 - 18 July 1642)
Anna Johanna (2 March 1594 - 7 December 1636), married on 14 June 1619 Johann Wolfart von Brederode
Frederick Louis (2 February 1595 - 22 April 1600)
Magdalena (23 February 1596 - 6 December 1662), married: in August 1631 to Bernhard Moritz von Oeynhausen; on 25 August 1642 Philipp Wilhelm zu Inn und Knyphausen
John Frederick, born and died in 1597
Secondly, he married on 27 August 1603 with Duchess Margaret of Schleswig-Holstein-Sonderburg , a daughter of John II, Duke of Schleswig-Holstein-Sonderburg. They had the following children:
Prince John Maurice of Nassau (18 June 1604 - December 1679)
Prince George Frederick Louis (23 February 1606 - 2 October 1674) married Mauritia Eleonora of Portugal, daughter of Emilia of Nassau, daughter of William the Silent and daughter-in-law of António, Prior of Crato.
William Otto (22 June 1607 - 14 August 1641)
Luise Christiane (8 October 1608 - 19 December 1678), married on 4 July 1627 Marquis Philippe de Conflans
Sophie Margarete (16 April 1610 - May 1665), married on 13 January 1656 to Count Georg Ernst of Limburg Stirum
Henry (9 August 1611 - 17 November 1652)
Marie Juliane (14 August 1612 - 21 January 1665), married on 13 December 1637 to Duke Francis Henry of Saxe-Lauenburg
Amalie (ca) (2 September 1613 - 24 August 1669), married: on 23 April 1636 to Herman Wrangel, on 27 March 1649 to Christian Augustus, Count Palatine of Sulzbach
Bernhard (18 November 1614 - 6 January 1617)
Christian (16 July 1616 - April 1644)
Katharine (1 August 1617 - 21 August 1645)
Johann Ernst (8 November 1618 - 23 November 1639)
Elisabeth Juliane (1 May 1620 - 13 May 1665), married in 1647 to Count Bernhard of Sayn-Wittgenstein
Johann VII and both his wives are buried in the royal crypt in Siegen.
SOURCE: Wikipedia
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