Mongkut Mongkut Phra Bat Somdet Phra Poramenthra Maha Mongkut Phra Chom Klao Chao Yu Hua (), or Rama IV, known in English-speaking countries as King Mongkut (18 October 18041 October 1868), was the fourth monarch of Siam (Thailand) under the House of Chakri, ruling from 1851 to 1868. Outside Thailand, he is best known as the king in the 1951 musical and 1956 film "The King and I", based on the 1946 film "Anna and the King of Siam"in turn based on a 1944 novel by an American missionary about Anna Leonowens' years at his court, from 1862 to 1867. During
Anna Leonowens message Leonowens had brought to the attention of the royal household. She said the book influenced Chulalongkorn's reform of slavery in Siam, a process he had begun in 1868, and which would end with its total abolition in 1915. Meanwhile, Louis had accumulated debts in the U.S. by 1874 and fled the country. He became estranged from his mother and did not see her for 19 years. In 1878, Leonowens's daughter Avis Annie Crawford Connybeare married Thomas Fyshe, a Scottish banker and the cashier (general manager) of the Bank of Nova Scotia in Halifax, where she resided for nineteen years