Again, your birth is finite. It's a constant. There are no paths open to increase the chance of such happenings into revealing themselves and suddenly appearing.
Magick isn't like the movies where you can snap your finger and a bunny suddenly appears. Please re-read my past post and see that.
The closest you're going to get is tracking down your geneology and looking at your family tree of your current genetic line.
Having said all that, you might look into bloodwalking if you're still obsessed about seeing where you've come from through previous lives.
I strongly suggest you spend a long time preparing for it and learning the basics of magick first. Vanitys_Fire, a moderator here, has done it quite a bit, but it's not something to dabble in. It can be dangerous.