Are Adam and Eve a Single Couple?

If you wanted to claim that there was a two person genetic bottle neck within the last few thousand years, then Adam and Eve would have had soulsye. But john paul the second pointed out in his 96 address that the advent of the modern human soul is something that is not susceptible to empirical discovery. So we don't have to find an absence of an early human population. We would just be identifying adam and eve as two special, blessed individuals within that population that god gave modern souls. And that's consistent with both what pius the twelfth says in humani generus,. It's consistent with what john p Paul the second said, and it's consistent with the paleont