Nyala Rinpoche organized and lead a community of Dzogchen practitioners in Nyalagar also known as Khamdogar (khams mdo sgar), Dedrol areagdeng grol (sp?). This area is in 'jo rdzong (modern administrative unit Gonjo County (go 'jo)), Kham. In 1978 he is said to have attained rainbow body. If he was born in 1826 as is claimed, he would have lived to be far older than the oldest man ever documented.
Chogyal Namkhai Norbu (b.1938) is his 'heart-son' (Wylie: ) or principal disciple. He also had a daughter, Atha Lhamo.
Norbu, Namkhai (1996). Dzogchen: The Self-Perfected State.
Norbu, Namkhai (2000). The Crystal and the Way of Light: Sutra, Tantra and Dzogchen.