Nyang Ral Nyima Özer 1124-1192. The first of the Five Tertön Kings and a reincarnation of King Trisong Deutsen. Several of his revealed treasures are included in the Rinchen Terdzö among which the most well known is the Kagye Deshek Düpa, a cycle of teachings focusing on the Eight Sadhana Teachings, and the biography of Guru Rinpoche called Sanglingma