death of his father King Sisavang Vong, Sisavang Vatthana ascended the throne and was crowned King. On 2 December 1975, King Sisavang Vatthana was forced to abdicate by the Pathet Lao, after its victory in the Laotian Civil War. Monarchy of Laos in exile (1975–present) Pretenders Princes Vong Savang (Crown Prince, died 1978 in re-education camps with his father King Sisavang Vatthana) Sauryavong Savang (Regent, son of Sisavang Vatthana, died 2018 in Paris, France at age 80) Soulivong Savang (Pretender, son of Vong Savang) Thanyavong Savang Kuhn Lo Dynasty See also Three Princes of the Kingdom of Laos President of Laos Prime Minister of Laos References Monarchs Lan Xang Lan Xang Monarchs Monarchs Kingdom of Laos 1975 disestablishments in Laos