 Still present in the Assembly in 1843, he soon rallied with the anti-Bibescu opposition, blocking his legislative projects.He later chose to expatriate himself, although his family remained behind.His eldest son, Ion C. (Iancu), was by then married to Maria, daughter of the numismatist and Russian spy Nicolae Mavros, making Constantin in-laws with politician Ion Ghica and with the Kotzebue family.