The Kingdom of Luang Phrabang was formed in 1707 as a result of the split of the Kingdom of Lan Xang. The monarchy was so weak that it was forced to pay tribute at various times to the Burmese and the Siamese. After a particularly destructive attack by the Black Flag Army in 1887, the kingdom chose to accept French protection.
Anurutha (2 June 1794 - 31 December 1819) (2nd reign)
Manthaturath (31 December 1819 - 7 March 1837) (Regent for Anurutha from 1817 until 31 December 1819; lives as a monk in Bangkok from 1825 until 1826, leaving Luang Phra Bang to be administered by Thai officials)