John Louis I, Count of Nassau-Wiesbaden-Idstein

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, son of Arnold III, Count of Bentheim-Steinfurt-Tecklenburg-Limburg
 * Anna Catherine (1590–1622), married in 1607 with Simon VII, Count of Lippe
 * Marie Magdalene (1592–1654), married in 1609 Wolfgang Heinrich, Count of Isenburg-Offenbach
 * Juliana (1593–1605)
 * John Philip (1595–1599), his successor with his brother John Louis II until his death
 * John Louis II (1596–1605), his successor, the last male of Nassau-Wiesbaden-Idstein line