Drakmar Drinzang is a hermitage near Samye. It is the birthplace of Trisong Detsen. Padmasambhava is said to have visited the temple, where he is said to have performed divination.
Akester, Matthew, and Mkhyen-brtseʼi-dbang-po. 2016. Jamyang Khyentsé Wangpo's Guide to Central Tibet. Chicago: Serindia Publications, pp. 300, 303-304.
Katok Situ. 1972. Dbus gtsang gnas yig. Palampur: Sungrab Nyamso Gyunphel Parkhang, p. 216.
Tsumagari, Shin'ichi (津曲真一). "Bashey with supplement: A Critical Edition of the Tibetan Text and an Annotated Translation (4)." 東京大学宗教学年報 30 (2012): 193-210.
There are 2 related biographies
The TBRC RID number refers to the unique ID assigned by the Tibetan Buddhist Resource Center (TBRC.org) to each historical figure in their database of Tibetan literature.