{dngul chu dbyangs can grub pa'i rdo rje} 1809-1887. A direct disciple of his uncle, {dngul chu thogs med} who was a direct student of the eight Situ Rinpoche, Chökyi Jungney. He and his uncle carried on the lineage of Situ Rinpoche's grammatical tradition. He wrote several important grammatical works {thon mi'i legs bshad sum chu pa'i snying po ljon pa'i dbang po}