Sri Indraditya of Sukhothai
- King Sri Indraditya [ Intraditya ] as he was ultimately known as was the founder of the Kingdom of Sukhothai and its Phra Ruang Dynasty. Historical records reveal he was the Governor of a place called Bang Yang on the northern edge of the Khmer Empire in Lower North Thailand. He joined forces with the then Governor of another Northern Province of Rad, Khun Pha Mueang, to declare independence from the Khmer Empire.
- Upon their success in the uprising he declared himself to be known as '' Sri Intraditya '', a Sanskrit name. He was the founder of the first Tai Dynasty, the '' Phra Ruang '' or '' Glorious Prince ''.
- Sri Indraditya ruled from 1238 until 1257. His second son who survived became his successor in 1257 to yet again be followed in 1277 by his third son who he named '' Ramkhamhaeng '' [ which means Rama the bold ].
- King Ramkhamhaeng The Great ruled from 11277 until 1298.