Kingdom of Vientiane
Setthathirath II then sent his brother to take the northern city of Loung Prabang from his cousin Prince Kitsarat (or Kitsarath), a grandson of King Suliyavongsa, who refused to recognize his authority. Kitsarat asks for assistance from the Siamese King and was granted independence from Lan Xang, creating the Kingdom of Luang Phrabang and converting Lan Xang into the Kingdom of Vientiane.