Wikipedia
Ekkathat
Borommaracha Kasat Bowon Sucharit , Somdet Phra Chao Yu Hua Phra Thi Nang Suriyat Amarin , Chaofa Ekathat , or Krom Khun Anurak Montri, was the 33rd and last monarch of Ayutthaya Kingdom, ruling from 1758 to 7 April 1767 prior to the fall of the kingdom. Moreover, he was called by the people at the time being that "Khun Luang Khi Ruan" , meaning "king with skin disease"; because he had chloasma.