Học phi was a wife of Emperor Tự Đức of the Nguyễn Dynasty of Vietnam

Vietnam

Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

. She is best known for her involvement in palace intrigues following her husband's death.

She had an affair with Nguyễn Văn Tường

Nguyen Van Tuong

Nguyễn Văn Tường was a mandarin of the Nguyễn Dynasty in Vietnam. He is known for installing and dethroning three emperors in 1883–84: Dục Đức, Hiệp Hoà, and Kiến Phúc.-Biography:...

, a regent that Tự Đức had appointed to guide his successors. Tường and Hoc Phi were caught together by Emperor Kien Phuc

Kien Phuc

Kiến Phúc was an 7th emperor of Vietnam in the 19th century. Born in 1869, he was the nephew-turned-adopted son of Emperor Tự Đức...

, who vowed to kill them. However, on the same night, Hoc Phi slipped poison into Kien Phuc's medicine, resulting in the emperor's death.