Jamchen Rabjampa Sangye Pal, also known as Yagyal Khepai Wangpo Jamchen Rabjampa Sangye Pal, was born in Dorpe in 1412. He received the three vows from Ngorchen Kunga Zangpo, and studied with many scholars and masters.

Further Readings:

The Sakya School of Tibetan Buddhism: A History, by Dhongthog Rinpoche; Wisdom Publications.