 This pitted him against the National Party, whose leaders included Emanoil Băleanu, Ioan Câmpineanu, and his own brother, Grigore Cantacuzino.Constantin was still a member of the Assembly following the election of 1841.However, on May 20, 1842, Russian commissioner Alexander Osipovich Duhamel obtained that he be deposed as "Postelnic" and replaced with Știrbei.