About Wongsa Dhiraj Snid
Lived 1808 – 1871 (aged 63). Wongsa Dhiraj Snid was a Thai diplomat and physician.
Wongsa Dhiraj Snid (; 9 July 1808 – 14 August 1871) was a Thai medical doctor and diplomat, as well as a member of the reigning Chakri dynasty. An early adopter of Western-style medicine, he was the court physician for much of his life, and was known as the "Doctor Prince."
Early life and family
Wongsa Dhiraj Snid was born in 1808, the 49th son of King Rama II of Siam, and given the title of Phra Ong Chao Nawama. His maternal grandparents were both traditional medical practitioners who served as court physicians during his father's reign. He was the half-brother of both Prince Thap, the future King Rama III, some twenty years his senior, and Prince Mongkut, the future King Rama IV.
Following Thai tradition, Wongsa Dhiraj Snid spent much of his early life learning statecraft, administration, and Buddhist teachings. He was ordained as a Buddhist monk as a young man. During his time as a monk, he was mentored by an uncle, Paramanuchitchinorot, the future Supreme Patriarch of Thailand. He was one of the five Thai plenipotentiaries sent to negotiate the Bowring Treaty with the United Kingdom in 1855. He was also among the signatories of the Harris Treaty between Siam and the United States the following year.
Legacy
The descendants of Wongsa Dhiraj Snid took the name of Sanidwongse (sometimes spelled Sanidvongse, Snidvongs, or other variants). Several of his descendants, like him, served as royal physicians in Thailand. and in 2009 he was featured on a Thai postage stamp.
Among his notable descendants are Queen Sirikit and her son King Rama X of Thailand, along with several other members of the Thai royal family, and prominent surgeon Kalyanakit Kitiyakara.
Ancestry
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Important facts
Family & relationships
People in Wongsa Dhiraj Snid's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Wongsa Dhiraj Snid's
Frequently asked questions
Who was Wongsa Dhiraj Snid?
Siamese prince
When was Wongsa Dhiraj Snid born?
Wongsa Dhiraj Snid was born on 9 July 1808 in Bangkok.
When did Wongsa Dhiraj Snid die?
Wongsa Dhiraj Snid died on 14 August 1871 in Bangkok.
What was Wongsa Dhiraj Snid's occupation?
Wongsa Dhiraj Snid was a diplomat and physician.
What nationality was Wongsa Dhiraj Snid?
Wongsa Dhiraj Snid was Thai.
Sources & further reading
· Wikipedia: Wongsa Dhiraj Snid
Cite this page
APA: Biography.guide. (2026). Wongsa Dhiraj Snid. https://biography.guide/wongsa-dhiraj-snid/
MLA: "Wongsa Dhiraj Snid." Biography.guide, https://biography.guide/wongsa-dhiraj-snid/.
Chicago: "Wongsa Dhiraj Snid." Biography.guide. https://biography.guide/wongsa-dhiraj-snid/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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