Good luck!
My family was always really good about letting me be myself... but since they knew nothing about trans or non-binary genders, they also spent a lot of time trying to help me accept that my body was female and that, like it or not, I needed to work with it. My mom and I are very close and we talk regularly about my aversion to all things feminine but at the same time, I think she would still struggle if I told her I wanted to transition and needed her to change pronouns etc. She would do it, but it would take time.
I like to think that if I was a kid now, my parents would have helped me if I wanted to transition.
I am also a parent. My kids are 6 and 4 and they both seem cis-gendered. If I'm wrong about that, I like to think I would be immediately supportive... but I'm sure it would be a process.
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