Lama Tsewang Lhagyal
Lama Tsewang Lhagyal (Tib. བླ་མ་ཚེ་དབང་ལྷ་རྒྱལ་, Wyl. bla ma tshe dbang lha rgyal), aka Ngagchang Tsewang Lhagyal or Tokden Lama Tsewang Lhagyal, was a main Dudjom Tersar and Sera Khandro lineage holder from Riwoche Monastery, Kham. He later became a student of Dudjom Rinpoche and of Chatral Rinpoche.