Count John Louis of Nassau-Saarbrücken (19 October 1472, in Saarbrücken – 4 June 1545, in ibid.) was the posthumous son of Count John II and his second wife, Elisabeth of Württemberg-Urach.
In 1492, he married Elisabeth (1469–1500), the daughter of Count Palatine Louis I of Zweibrücken.
They had the following children:
Ottilie (1492–1554), married John V of Sayn in 1516
Anna (1493–1565)
Elisabeth (1495–1559)
Johanna (1496–1566)
Margaret (b.
1497)
Felicitas (b.
1499)After Elisabeth's death, John remarried in 1506 to Catherine of Moers-Saarwerden (1491–1547).
They had the following children:
Philip II (1509–1554)
John III, married Adelaide of Kronengracht,
Margaret (1513–1562)
Elisabeth (1515–1568)
Catherine (1517–1553), married in 1537 to Count Emich IX of Leiningen-Dagsburg
Agnes (b.
1519)
John Louis (1524–1542)
Adolph I (1526–1559), married in 1553 to Anastasia of Isenburg-Grenzau