As another commented said, the bible says God has no beginning, so there you go. More importantly though, religion is meant to explain the meaning of life, not

As another commented said, the bible says God has no beginning, so there you go. More importantly though, religion is meant to explain the meaning of life, not that the chain of events that lead to it. It has fundamentally different, though not necessarily incompatible, goals than science. So in short, the answer is that from a religious perspective, it doesn't matter.