The Four Immortals refers to the four chief cult figures in the pantheon of genii worshiped by the ancient Vietnamese people of the Red River Delta region.. They are Tan Vien Son Than (also known as, Son Tinh), the god of Tan Vien Mountain, Phu Dong Thien Vuong (also known as, Ong Dong or Saint Giong), a giant whom defeated northern invaders, Chu Dong Tu, a marsh boy, and Princess Lieu Hanh

Lieu Hanh

Princess Lieu Hanh is one of The Four Immortals and also a leading figure in the mother goddess cult Đạo Mẫu, in which she governs the celestial realm. Her personal cult was created by women in the Nam Dinh Province, in the village of Van Cat...

, a heavenly spirit and Mother Goddess.