Phra Bat Somdet Phra Poramenthramaha Isarasundhorn Phra Buddha Loetla Nabhalai; or Rama II (24 February 1767 - 21 July 1824); was the second monarch of Siam under the House of Chakri; ruling from 1809-1824. In 1809; Isarasundhorn succeeded his father Buddha Yodfa Chulaloke; the founder of Chakri dynasty; as Buddha Loetla Nabhalai the King of Siam. His reign was largely peaceful; devoid of major conflicts. His reign was known as the "Golden Age of Rattanakosin Literature" as Buddha Loetla Nabhalai was patron to a number of poets in his court and the King himself was a renowned poet and artist. The most notable poet in his employ was the illustrious Sunthorn Phu; the author of Phra Aphai Mani.