
There is a 10 pages biography of him in the large Jangter Chöjung by Khenpo Chöying.
He was born in 1887 and died in 1967. He was regarded as an emanation of Gyalwa Chok Yang. The texts gathers prophecies about him as usual. It is Tertön Sogyal who said to Tülku Tsullo: «Your brother is the [predestined] master of a mind-treasure…». He was the son of Gönpo Wangyal who told him that he had a special connection with Hayagriva, so he put him to practice Tamdrin Drekpa Wangdü (one of the two Jangter cycles of this deity) and then a horse neighing from above his head was heard in Khordong […] There are prophecies about him in the termas of Nüden Dorje. [….] He was the younger brother of Tülku Tsullo, so, the son of Gönpo Wangyal and Khordong Terchen’s daughter.
In 1896, together with his brother Tsullo, he received from Gönpo Wangyal the instructions from the Jangter Lung Phagmo Zabgya, the Kadak [Rangjung Rangshar] and the Gongpa Zangthal “with the manual composed by Ado Könchok Gyaltsen” (this perplexing indication means the Kathok tradition that was, it seems, preserved in Shukjung Monastery).
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