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King of Ayutthaya kingdom
King of Siam
Reign 1629
Predecessor Chetthathirat
Successor Prasat Thong
Born 1618
Died Wat Khok Phraya, Phra Nakhon Si Ayutthaya District, Ayutthaya
Full name
House Sukhothai Dynasty
Father Songtham

Athittayawong[1] (Thai: อาทิตยวงศ์; born 1618) King Athitayawong was the shortest-reigning monarch of Ayutthaya, only for 36 days in 1629 and the last king of the Sukhothai dynasty."[2]:55

Prince Athitayawong was the son of King Songtham and his principal wife. His elder brother and mother were executed in 1629 in Okya Sri Suriyawong’s (Phraya Siworawong) coup.

The ten year old child prince was raised to the throne with Sri Suriyawong (Thai: ออกญาศรีสุริยวงศ์). However, Sri Suriyawong continued to administer the country as Chaophraya Kalahom. After about a month, the government servants complained that there were in fact two chiefs in the country, the king and Sri Suriyawong administering as a king, which could cause future danger for the country. They persuaded him to ascend to the throne so there would be only one king as per custom. Athittayawong was dethroned and Sri Suriyawong assumed the title Somdet Phrachao Prasat Thong.[3]:215–216

Athitayawong was executed at Wat Kok Phraya (Thai: วัดโคกพระยา) soon, ending the Sukhothai dynasty. Sri Suriyawong ascended the throne as King Prasat Thong.


  1. ^ The Royal Institute. List of monarchs Ayutthaya. (Thai)
  2. ^ Chakrabongse, C., 1960, Lords of Life, London: Alvin Redman Limited
  3. ^ Rajanubhab, D., 2001, Our Wars With the Burmese, Bangkok: White Lotus Co. Ltd., ISBN 9747534584

See also[edit]

Born: 1618 Died:  ?
Regnal titles
Preceded by
King of Ayutthaya
Succeeded by
Prasat Thong