[1] Emperor Thiệu Trị was much like his father, Minh Mạng, and carried on his conservative policies of isolationism and the entrenchment of Confucianism.
Highly educated in the Confucian tradition, Thiệu Trị had some curiosity about the West, but like his father was very suspicious of all non-Vietnamese outsiders.
At this same time, the French were in a colonial race with Great Britain in Southeast Asia and were pushing hard for stronger relations with Indochina.
Thiệu Trị had fortified the coast, but the French forces easily defeated the Vietnamese due to the Nguyễn dynasty's inferior equipment.
The mandarins did not put this order into effect and Emperor Thiệu Trị died shortly afterwards; no missionaries were actually ever executed during his reign.
And Thành Thái Emperor promoted her the title The Great Grand Empress Dowager Từ Dụ Nguyễn Văn Nhơn's daughter From palace lady before the emperor coronation, she becomes the second rank consort Trinh, just under Consort Thành of Phạm Đăng family.