Rubuta ci gaba don wannan sakin layi - Bayan mutuwar Nicolas-Jean Rouppe a 1838, ya zama burgomaster na biyu na babban birnin Belgium tun lokacin da 'yancin kai na kasar
a 1830, kamar yadda majalisar gari ta nada shi a ranar 13 ga Satumba 1838 don cika ayyukan burgomaster na Brussels (1838-1841). Ya yi murabus a matsayin burgomaster lokacin da a ranar 13 ga Afrilu 1841, ya zama Ministan Shari'a (1841<unk>1842) a cikin majalisar ministocin Jean-Baptiste Nothomb wanda ya yi nasara a wannan rana mai sassaucin ra'ayi Joseph Lebeau, wanda ya yi murabus. Amma van Volxem ya kasance minista ne kawai na tsawon watanni ashirin, saboda Nothomb a ranar 14 ga Disamba, 1842, ya ɗauki matsayin Ministan Shari'a, ban da mukamin Firayim Minista.