What do I do about toxic family members?

I got love for my family but they act like they are perfect and have never made mistakes in their life. I've grown as a person but the seem to remind me of the person I use to be they always bring up the past. For instance my uncle like to comment on what happened between my childs mother and I. He also like to comment on me smoking weed or the conversations I have with people that have nothing to do with him but he's an alcoholic. My father use to beat on my mother and yet I've forgiven for what happened between them when I was a little kid but yet he still throws my past up in my face. I also noticed that they like to gang up on me they think that me explaining my side of the situation I'm always wrong and what the other family members do are right.

What do I do about toxic family members?
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