Original sentence: According to some janamsakhis, these first Sikh disciples were grouped around a local prince, Raja Shivnabh, who had been converted by the Guru, while another old document describes a congregation led by a teacher called Baba Changa Rai.Bhatra tradition and traditional Sikh literature say their ancestors came from Sri Lanka and were the original 16th century followers of Guru Nanak, the founder of Sikhism
Edited sentence: Bhatra tradition and sikh scriptures state that they came originally from Sri Lanka and that they were original 16th century followers of Guru Nanak(the founder of Sikhism), who were decedents of Raja Shivnabh and the holy poet Baba Changa Rai