Bạch Xuân Nguyên was an official of the Nguyễn Dynasty of Vietnam.

After the death of Lê Văn Duyệt

Le Van Duyet

Lê Văn Duyệt was a Vietnamese general who helped Nguyễn Ánh—the future Emperor Gia Long—put down the Tây Sơn rebellion, unify Vietnam and establish the Nguyễn Dynasty...

, the viceroy of southern Vietnam in 1832, the emperor Minh Mạng, who was involved in a power struggle with Duyệt, appointed Nguyễn to investigate the viceroy's administration.

Nguyễn led the investigation, and concluded that Duyet and his entourage had engaged in corruption and abuse of power. He ordered the posthumous humiliation of Duyệt. This resulted in the desecration of his tomb, the execution of sixteen relatives, and the arrests of his colleagues. This led Duyệt's adopted son Lê Văn Khôi

Le Van Khoi

Lê Văn Khôi was the adopted son of the Vietnamese general Lê Văn Duyệt. He led the 1833–1835 Lê Văn Khôi revolt against Emperor Minh Mạng, but died in 1834....

 to break out of prison and revolt against the emperor

Le Van Khoi revolt

The Lê Văn Khôi revolt was an important revolt in 19th century Vietnam, in which southern Vietnamese, Vietnamese Catholics, French Catholic missionaries and Chinese settlers under the leadership of Lê Văn Khôi opposed the Imperial rule of Minh Mạng.-Origin:The revolt was spurred by the...

. One of his first actions was to execute Nguyễn.