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 Leonowens and her son in his will, though they did not receive a legacy. The new monarch, fifteen-year-old Chulalongkorn, who succeeded his father, wrote Leonowens a warm letter of thanks for her services. He did not invite her to resume her post but they corresponded amicably for many years. At the age of 27, Louis Leonowens returned to Siam and was granted a commission of Captain in the Royal Cavalry. Chulalongkorn made reforms for which his former tutor claimed some of the credit, including the abolition of the practice of prostration before the royal person. However, many of those same