Ma Rinchen Chok, is numbered as one of the twenty-five principal disciples of Padmasambhava. Rinchen Chok was also a senior disciple of Vimalamitra. Rinchen Chok was an important lotsawa in the first wave of translations and was one of the first seven monks ever to be ordained in Tibet by Shantarakshita, known as the 'seven men who were tested'. The ordination lineage was Sarvastivadin.