If batman parents are died, Then how was he born?

It doesn't make sense how died parents can have children, did they think this thru?
Update: @ Choas angel LOL are you retreaded? How can died parents have a kid? Explain that to me mister.
Update 2: @ ZERO LOL the amount of of retreading on here is reaching staggering level of stupid. Get a Brian moran
Update 3: You guys that are still replying after 3 years, you know this is just a terrible attempt at trolling, right?
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