Pho Khun Si Indraditya
- Originally known as Pho Khun Bang Klang Thao -- meaning “Lord Who Rules Sky” but later took the name Sri Indraditya meaning “The Sun King With The Power of Indra” Indra is the god of the heavens in Hinduism which was a popular religion in Sukhothai
- Declare independence from Angkor -- Khun Bang Klang Hao together with Khun Pha Mueang, the Lord of Rad, decided to rebel and declare independence from Angkor.
- Contributed to driving the Khmers southwards
- Founder of the PhraRuang Dynasty
- Second son was his successor -- Sri Intraditya and his queen, Queen Sueang, had three sons. The eldest died at a young age, the second was named Ban Muang, and the third son defeated a Khmer prince in an encounter of mounted combat on elephants; he named this youngest son Ram Khamhaeng (Rama the Bold) in tribute to the feat. Sri Intraditya died around 1270, and was succeeded by his son Ban Muang.
- Under his ruls, Sukhothau’s power and influence spread by conquest, a network of marriage alliances with other Thai noble families, and the use of Theravada Buddhism to increase contacts