Thailand: King Rama III, Jessadabodindra (31 March 1787  2 April 1851), 3rd monarch of the Chakri Dynasty, Nangklao Monument by the Chao Phraya River in Nonthaburi, Bangkok. Phra Bat Somdet Phra Poramintharamaha Jessadabodindra Phra Nangklao Chao Yu Hua (Chetsadabodin Phra Nang Klao Chao Yu Hua), or Rama III, was the third monarch of Siam under the House of Chakri, ruling from 21 July 1824 to 2 April 1851. He succeeded his father, Buddha Loetla Nabhalai, as the King of Siam. His succession was unusual according to the traditions because Jessadabodindra was a son of a concubine rather than a queen.