Johann Gabriel Chasteler de Courcelles
Engineer
Johann Gabriel Josef Albert, Marquess of Chasteler and Courcelles was a Walloon, born near Mons, Belgium. He entered the military service of Habsburg Austria at an early age and trained as an engineer at the Ingenieurakademie in Vienna. Wikipedia
Born: January 22, 1763, County of Hainaut
Died: May 7, 1825 (age 62 years), Venice, Italy
Battles/wars: Austro-Turkish War (1787-1791); French Revolutionary Wars; Napoleonic Wars