BHAI MARDANA (1459-1534) Guru Nanak's longtime Muslim companion throughout his extensive journeys across the country and abroad, was born the son of a Mirasi couple, Badra and Lakkho, of Talvandi Rai Bhoe, now Nankana Sahib, in Sheikhupura district of Pakistan. The Mirasan were a caste of hereditary minstrels and genealogists. Bhai sahib was ten year older than Guru ji and was his childhood friend and companion.