Paṇchen Bumdrak Sumpa (paN chen 'bum phrag gsum pa) was born in Yeru Khangmar Drakung (g.yas ru khang dmar brag khung). He studied at Sakya Monastery (sa skya dgon) and Dreyul Kyetsel ('bras yul skyed tshal), a Sakya monastery in Tsang founded by Jamchen Rabjampa Sanggye Pel (byams chen rab 'byams pa sangs rgyas 'phel, 1414-1485) in 1449.
In his thirties and forties he taught at Tsetang (rtses thang) and Ngamring (ngam ring). In 1490 he founded the monastery of Nyanyo Jagoshong (mnyan yod bya rgod gshongs) under the patronage of a local ruler named Tsangto Sonam Gyeltsen (gtsang stod bsod nams rgyal mtshan)
Among Bumdrak Sumpa's prominent teachers were Taktsang Lotsāwa Sherab Rinchen (stag tshang lo tsA ba shes rab rin chen, b. 1405); the fourteenth throne-holder of Taklung Monastery (stag lung dgon), Ngawang Drakpa (stag lung khri 12 ngag dbang grags pa, 1418-1496); Ngorchen Kunga Zangpo (ngor mkhan chen 01 kun dga' bzang po, 1382-1456); and Gorampa Sonam Sengge (go rams pa bsod nams seng ge, 1412-1489).
Among Bumdrak Sumpa's disciples were: Chaktang Rabjampa Jampa Sonam (lcags thang rab 'byams pa byams pa bsod nams, 1474-1540/1564), whom he helped ordain; and Panchen Ngodrub Pelwar (paN chen dngos grub dpal 'bar, 1456-1527), the founder of Chokhor Lhunpo Monastery (chos 'khor lhun po).
Images
Two Lineal Lamas
Two men, Kunkhyen and Jamyang Chokyi Gyalpo. This painting is from a set of compositions that appears based on similar paintings identified as a Sakya Lamdre Lineage set. The secondary lineage that starts at the top left and proceeds down the right and left registers is possibly the Prajnaparamita Lineage beginning with Shakyamuni Buddha.
དཔྱད་གཞིའི་ཡིག་ཆ་ཁག།
Kun dga' legs pa. 2005. Rnal 'byor pa'i ming can kun dga' legs pa'i rnam thar byung tshul lhug par smras pa zhib mo'i rtsing mo ha le ho le sna zin spu zin nas bkod pa. In 'Brug pa kun legs kyi rnam thar, pp. 1-271. Lhasa: Bod ljongs mi dmangs dpe skrun khang. TBRC W29517. This text is also published as TBRC W1CZ1980.