[1] He studied with Guillaume Geefs at the Brussels Académie Royale des Beaux-Arts and was the friend of Peter Ludwig Kühnen (1812–1877), a painter originating from Aachen, specialised in painting romantic landscapes.
Jacques actively took part in sculpture by his own productions for the Brussels art salons of 1843, 1854, 1860, 1866, 1872 and 1873.
His contribution for the 1845 Salon was more important and especially a model for a bronze statue of Froissart for Chimay[3] but he acquired a definitive notoriety in 1854 with The Golden Age.
The equestrian statue of Baldwin I of Constantinople was created in 1868 in Mons, then the pediment and lions on the Brussels Stock Exchange in 1872.
He was a professor at the Brussels Académie Royale des Beaux-Arts and a master of Charles Samuel.