From Rigpa Wiki
Khangmar Rinchen (Wyl. khang dmar rin chen) or Khangmarwa Rinchen Dorje was the sixth khenpo of Dzongsar Shedra, from 1940-1943. Although originally from the Nyingma monastery of Khangmar in the eastern part of Derge, he was closely associated with Dzongsar Monastery. His teachers included Öntö Khyenrab Chökyi Özer, Drayab Lodrö, Kathok Situ Chökyi Gyatso and Jamyang Khyentse Chökyi Lodrö. For a large part of his life he stayed in retreat.
- He composed a commentary on the quotations found in Sakya Pandita's Treasury of Valid Reasoning, but it has not survived.