The evidence from young children who seem to remember a previous life and even the period between lives suggests that at least some people appear to have some degree of control as to where, and to which parents, they will be born to in the next life.
I think I'll decide to be born to parents who are both rich and loving. I think
I'd probably prefer to be born male, in the west, in idyllic
countryside. And would be great to be good looking, and intelligent, and enigmatic, and mysterious, outgoing, and strangely alluring.