Ratnamati or Lodro Rinchen (blo gros rin chen), as he is called in Tibetan. A Bodhisattva who is considered to be an emanation of the Dharmakaya Buddha Vajradhara. Together with the Bodhisattva Sukhanatha, considered an emanation of Vajrapani, he is responsible for bringing the Mahamudra teachings into our human world. They transmitted the teachings of Mahamudra to the Indian Mahasiddha Saraha who passed them on to his human disciples. It passed from him to Nagarjuna, Shavaripa and then to Maitripa. This is one of the two Mahamudra lineages which Marpa the translator received in India.