Mezue ahịrịokwu na-esonụ: Mgbe ọnwụ nke Nicolas-Jean Rouppe na 1838, ọ ghọrọ onye nke abụọ burgomaster nke isi obodo Belgium kemgbe mba ahụ
nnwere onwe na 1830, dịka kansụl obodo họpụtara ya na 13 Septemba 1838 iji mezuo ọrụ nke burgomaster nke Brussels (1838-1841). Ọ gbara arụkwaghịm dị ka burgomaster mgbe na 13 Eprel 1841, ọ ghọrọ Mịnịsta nke Ikpe Ziri Ezi (1841<unk>1842) na kabinet nke Jean-Baptiste Nothomb bụ onye nọchiri ụbọchị ahụ onye na-emesapụ aka Joseph Lebeau, onye gbara arụkwaghịm. Mana van Volxem bụ naanị minista ruo ọnwa iri abụọ, n'ihi na Nothomb na 14 Disemba 1842, were onwe ya n'ọnọdụ Minista nke Ikpe Ziri Ezi, na mgbakwunye na ọkwa nke Prime Minista.