Buuxi weedhan soo socota: Ka dib geeridii Nicolas-Jean Rouppe sanadkii 1838, wuxuu noqday duqa labaad ee caasimada Belgian tan iyo markii uu dalka ka dhacay
Madax-bannaanida 1830, markii golaha deegaanka uu u magacaabay 13kii Sebtember 1838 inuu fuliyo waajibaadka magaalada Brussels (1838-1841). Waxa uu iska casilay xilka magaalada markii 13-kii Abriil 1841, uu noqday Wasiirka Caddaaladda (1841-1842) ee golaha wasiirada Jean-Baptiste Nothomb oo maalintaas ku guuleystay Joseph Lebeau, oo iska casilay. Laakiin van Volxem wuxuu wasiir ahaa labaatan bilood oo keliya, maxaa yeelay Nothomb bishii Diseembar 14, 1842, wuxuu ku qaatay booska Wasiirka Caddaaladda, marka lagu daro jagada Ra'iisul Wasaaraha.