Thailand: Portraits of the late King Rama IX, Bhumibol Adulyadej (5 December 1927  13 October 2016), 9th monarch of the Chakri Dynasty, and paraphernalia connected with the royal family on sale in the Banglamphu area, Bangkok. Bhumibol Adulyadej (Phumiphon Adunyadet) was the 9th King of Thailand. He was known as Rama IX, and within the Thai royal family and to close associates simply as Lek. Having reigned since 9 June 1946, he was one of the world's longest-serving heads of state and the longest-reigning monarch in Thai history.