Different meetings might have different people with different family members that are the addict. All kinds of people.
It is best to try at least 6 meetings, go to different ones around town and different nights, till you get the feel you belong. There is prob more Mom's and Dad's with sons or daughters that are the problem. but a lot of parents are a problem too.
We all understand any situation.
Welcome to SR, this is the greatest site. Keep coming back. Just posting here, typing it out even probably helped. You are not alone.
Al-Anon friends and a sponser will be a great help.