John Louis I, Count of Nassau-Wiesbaden-Idstein (10 April 1567 – 10 June 1596 ) was the son of Count Balthasar of Nassau-Wiesbaden-Idstein and his wife Margaret of Isenburg-Bierstein. He succeeded his father in 1568 as Count of Nassau-Wiesbaden.

Marriage and issue

In 1588, John Louis married Maria of Nassau-Dillenburg, daughter of John VI, Count of Nassau-Dillenburg. They had the following children:

• Margaret (1589-1660), married in 1606 with Adolph of Bentheim
• Anna Catherine (1590-1622), married in 1607 with Simon VII, Count of Lippe
• Juliana (1593-1605)
• John Philip (1595-1599)
• John Louis
  John Louis II, Count of Nassau-Wiesbaden-Idstein
  Count John Louis II of Nassau-Wiesbaden-Idstein was the youngest and only surviving son of John Louis I and Maria of Nassau-Dillenburg. He was only a few weeks old when his father died and he inherited Nassau-Wiesbaden and Nassau-Idstein. However, he died when he was nine years old...
  
  (1596-1605), his successor