Tsokhang Choktrul Tsewang Dorje
Tsokhang Choktrul Tsewang Dorje was a major Dudjom Tersar lineage holder in the western part of Tibet, around Mount Kailash. Born as one of the four sons of Golok Serta Rinpoche, he also became one of his main students.
He was recognised as the incarnation of Tsogkhang Rinpoche, a direct student of Dudjom Lingpa.
One of his sons is Lama Rangrig.