Maybe we will find this out (are you just speculating here?) but what we know now is they were nobodies.
I am speculating but they've set up the symbolism so strongly they almost have to. She's clearly a Mary analogue just like Anakin was a riff on Christ symbolism.
Yes, Anakin was the result of a virgin birth & he tore down existing dogmatic political structures, but he really wasn’t a savior to the masses.
