The chronicles of Theravada Buddhist tradition such as Mahāvaṃsa and Maha Yazawin states that he was the founder of the Shakya dynasty, to which the historical Buddha belonged.
[3] The Burmese Thervada text The Great Chronicle of Buddhas mentioned that Mahasammat Raja was the founder Surya Vanshi Kshtriyas(Suriya Vassi Khattiyas).
Pali canon described that Bodhisattva Siddharta Gotama claimed his ancestry from Mahasammat Raja, Addicca naman gotten, name jatiya, meaning in clan of Adicca and house of Shakyans.
The future king was born "in the beginning of the world" in Jambudvīpa, the only habitable continent on earth, to a family descended from the solar race.
[6] The Jātaka commentary identifies the primeval king Mahāmandhātā(Emperor Mandatus) as being the bodhisatta as well, Mahāmandhata being the great-great-great-great grandson of Mahāsammata.