Career
Decoudray Holstein was an officer in the French Army under Napoleon and was taken prisoner in Cádiz, Spain. In 1813 Ducoudray Holstein departed for Philadelphia but was denied entry in the United States. Army. In 1814 he arrived to Venezuela, where he joined Simón Bolívar and was appointed officer in the army.
With the grade of colonel he was an eye witness of the crucial revolutionary years 1814-1816.
His experience with Bolívar and with the independence wars in Venezuela and Bolivia are described in Memoirs of Simón Bolívarious He later moved to the United States, settling in Albany, New York, where he became a language teacher and editor of The Zodiac.