Ngô Đình Khôi was the eldest son of Ngô Đình Khả. He had eight younger siblings: five brothers, Ngô Đình Thục, Ngô Đình Diệm, Ngô Đình Nhu, Ngô Đình Cẩn, Ngô Đình Luyện; and three sisters, Giao, Hiệp,

Phạm Quỳnh was a monarchist during the late Nguyễn dynasty and supporter of adhering to traditional Vietnamese customs in the establishment of a constitutional monarchy. He was born near Hanoi, Vietna