Crown Prince Vong Savang was born in September 27, 1931-(d.1981?), at the Royal Palace Luang Prabang, Laos. His father was King Savang Vatthana and mother was Queen Khamphoui. He died at the hands of the communists in a so-called "seminar camp" in Laos ca. 1980, probably executed or starved to death.
He became the Crown Prince on October 20, 1962, and married Princess Mahneelai. They had four sons and three daughters.