Background
47.
He was the son of the ruling Prince Charles of Nassau-Usingen and his wife Christine Wilhelmine of Saxe-Eisenach.
47.
He was the son of the ruling Prince Charles of Nassau-Usingen and his wife Christine Wilhelmine of Saxe-Eisenach.
In 1749 he went to the Netherlands with his older brothers and studied at Utrecht University for three years.
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 Number. In 1752, he joined the French army. In 1758, he traded it for the cavalry regiment Nassau-Saarbrücken.
During the Seven Years" War, he spent the years 1757 to 1761 fighting in Germany.
He fought in the battles of Hastenbeck, Sonderhausen, Lutternberg, Bergen and Minden. He also participated in the sieges of Kassel and Wolfenbüttel and he fought at Grüneberg and Armöneburg.
During the Battle of Sonderhausen, he was hit in the left shoulder. In 1761, he was promoted to Brigadier and in 1752 to Maréchal de Camp (major general).
In 1763, he received the Palatinate Order of Saint Hubert.
In 1764, he joined the Prussian army under King Frederick World War II He held the rank of Major-General and led the Fusilier Regiment Number. 47. at Grabow. In the War of the Bavarian Succession, his regiment was part of the army of Prince Henry. However, John Adolph was accused of embezzling army money and he left the army in outrage.
He returned to the French army.
He died in 1793 in Wiesbaden, unmarried and childless.