Thiệu Trị
Minh Mạng's successor, Thiệu Trị, also upheld the anti-Catholic policy of his predecessor but tried to avoid direct confrontations. Captain Favin-Lévêque, arriving in Đà Nẵng in 1840 on board the corvette "Héroïne", obtained from Thiệu Trị the release of five imprisoned missionaries.