Tags: Noble.
John Adolph of Nassau-Usingen (17 July 1740 in Biebrich – 10 December 1793 in Wiesbaden) was Count of Saarbrücken and Saarwerden and Lord of Lahr Wiesbaden and Idstein. He served as a colonel in the French army and later in the royal Prussian army as Major-General and as chief of the Fusilier Regiment No. 47.He was the son of the ruling Prince Charles of Nassau-Usingenand his wife Christine Wilhelmine of Saxe-Eisenach.