Maria of Nassau-Dillenburg (1568–1625) was a daughter of Count John VI "the Elder" of Nassau-Dillenburg and his first wife, Countess Elisabeth of Leuchtenberg.
Maria married her cousin John Louis I, Count of Nassau-Wiesbaden-Idstein in 1588 and was the mother of:
Margaretha (1589–1660), married in 1606 to Adolph of Bentheim
Anna Catharina (1590–1622), married in 1607 to Count Simon VII "the Pious" of Lippe
Marie Magdalene (1592–1654), married in 1609 Wolfgang Heinrich, Count of Isenburg-Offenbach
Juliana (1593–1605)
John Philip (1595–1599)
John Louis II (1596–1605).