The Three Sisters (Tibetan: yu gu che sum). Wealth deities whose practice was first introduced into Tibet by Bari Lotsawa Rinchen Drag, 11th century.?The Three pishaci sisters are from the Bodhagaya region of Bihar State, India. In later centuries the Nyingma School took up the practice after finding 'terma' texts for the Three Sisters.

At the top left is Tangtong Gyalpo and the deity Vajrakila. Slightly lower and on the right and left it appears to be Jamgon Kongtrul and Khyentse Wangpo. Jeff Watt 8-2001