If I can’t go, can my child?

All answers welcomed.

My wife and I have been together for 6 years, married for 1. All the time her family has never accepted me or my son as their family. My wife and daughter (Not biologically mine) have always done things with her family by themselves.
I’ve never agreed with how her family adds toxic junk to our household. It hurts my wife. My wife wants me to allow my son, who is not her biological child, to go to her family’s house and I’m not welcomed. They have talked about me to our daughter before and don’t mind showing that they just don’t like that we have a same sex family or me.
I can’t understand why my wife doesn’t see why I don’t want my son around them. Advice please.

Dealing with in-laws can be very hard and when you have little to no relationship that makes it even harder. I can see why you may not want your son around that. I don’t know the best advice in this situation except to continue trying to communicate how you feel. I hope it gets better for you soon.