Longdol Lama Ngagwang Lobzang (1719-1794, klong rdol bla ma ngag dbang blo bzang) was born at Wenphu Doti (dben phu mdo thi), a place near the Jampaling Monastery in Chamdo (chab mdo byam pa gling) in 1719, on the full-moon day of Go dawa (go ldza ba; the eleventh lunar month) in the earth-pig year of twelfth sexagenary cycle. His father Ngagchang Wang Boom (sngags 'chang dbang 'bum) was a tantrika and belonged to a noble family, and his mother was named Jangsa Boomkyi ('jang sa 'bum skyid).