I think it's totally understandable that these feelings are coming up for you again now that you're a parent.
I don't think it's talked about much the way that when you become a parent, it's a new chapter in your life, but it can also subconsciously prompt more looking back, because you're in that position yourself now.
It doesn't mean that you're dwelling unnecessarily or hadn't recovered well up until now. So don't beat yourself up about the fact that it's bothering you again.
My suggestion would be to allow yourself to get as angry as you need to (and realistically can), to aim for catharsis rather than suppressing things. And although that may well involve being angry with your parents, if there's any chance you're blaming them unfairly, it might mean that you haven't got angry enough with the bullies yet.
Taking more time alone if you're able to, to have a seethe and/or help restore your sense of who you are, writing letters you'll never send, multiple ones if need be... that kind of thing might help.
But everyone's different, so do take that with a pinch of salt. Best of luck, and I'm sorry you went through all that at all
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