Rama I was born on 20th March 1767 in the reign of King Boromakot of Ayutthaya, his name at born was ThongDuang. He was born from a Mon family. His father was Thongdi, a nobleman served the Royal Court. His mother was Yok, a half Chinese and Thai. At a young age, he volunteered to sservants., and it was at this moment that he met his friend Tak Sin. After the age of 21 years, he was ordained as a monk for one year. Then he leaved the Buddist monkhood, and returned to serve under the crown again. When he aged 25 years, he was appointed as Governor of Ratchaburi in the reign King Ekkathat, and married Nak, daughter of a town patron in Samut Sakorn in 1760.