TAN  MONK      The named brother of the emperor Tan. The real historical person.   Was  sent  from China  " to West "  - to India -  for buddhian sutras.   In the Chinese epos frequently the real persons stand near to fantastic.   During travel  Tan Monk has exempted Sung U Kung, which Buddha has placed under the rock as punishment  for  fights  and hooliganism. Sung U Kung became  the learner of Tan Monk,  accompanied  him and defended  in a dangerous path.