Question: When did John Iii, Count Of Nassau-Saarbrücken's father die?
Answer: 4 June 1545

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