Forget about a lawyer..u will just lose a good amount of money… u r at the mercy of the family as u have no legal right to the home. Can you stay living with the daughter and pay some rent ?
you ever known anyone to get arrested for bribery in Thailand ?
Thai school teachers , public servants, cops , citizens pay bribes in Thailand for jobs , promotions , avoiding trouble , staying out of jail etc…Bribery in Thailand is part of the culture and always will be.