Johann Ludwig I. von Nassau-Wiesbaden-Idstein was born circa 1567 to Balthasar von Nassau-Wiesbaden-Idstein (1520-1568) and Margarete von Isenburg-Birstein (1542-1612) and died 20 June 1596 of fall from window. He married Marie von Nassau-Dillenburg (1568-1625) 2 December 1588 in Idstein.
Children
| Name | Birth | Death | Joined with |
| Margarethe von Nassau-Wiesbaden-Idstein (1589-1660) | 15 September 1589 | 28 December 1660 | Adolf zu Bentheim-Tecklenburg (1577-1628) Wilhelm von Wanieczky (c1585-1644) |
| Anna Katharina von Nassau-Wiesbaden-Idstein (1590-1622) | 1590 | 1622 | Simon VII. zur Lippe (1587-1627) |
| Maria Magdalena von Nassau-Wiesbaden-Idstein (1592-1654) | 11 August 1592 Idstein | 13 January 1654 Offenbach | Wolfgang Heinrich von Isenburg-Büdingen (1588-1635) |
| Juliane von Nassau-Wiesbaden-Idstein (1593-1605) | |||
| Johann Philipp von Nassau-Wiesbaden-Idstein (1595-1599) | |||
| Johann Ludwig II. von Nassau-Wiesbaden-Idstein (1596-1605) | |||