All these crimes had taken place between April 19 and August 10, 2008.
Surachai or Kanisorn Thanachart, 37, was convicted of many offences including the use of guns to detain his victim.
The court also convicted his 47yearold commonlaw wife, Thanawan or Deun Udommeechai for being his accomplice.
She was sentenced to 10 years in jail.
The Nation