A bit confused by what you believe their intentions were
Are you suggesting they hired you to fill a farang quota? Or hired you as a language teacher on the outsidr but wanted you to do other stuff?
Thats some disturbing numbers
Husband 67 years
Wife 48
Grand daughter 14
Age gap between husband/wife: 19yrs
Wife/grand daughter: 34 years, (could be stepgrandmother)