"The Bhavisya Purana (139, 13-15) records, "contrary to the Vedic practices, your son will become famous by name of Mag. His name will be Jarathushtra Mag - and will bring fame to the dynasty. His descendents will worship fire and will be known by the name Mag (Saka), and being Soma worshippers (Magadha Sakadvipi) will be known as Mag Brahmins.""