God isn't physical nor descends from David. You might want to rethink that. Rotfl...Not done at all. Jesus was born of a virgin via the seed of the woman. His Father is Jehovah.
Mary also inherits from Adam so a virgin birth doesn't help you.
Sarah laid with her husband Abraham. I hope Mary did the same or Jesus is a mamzer.In like manner to Sarah giving birth to Isaac after she was no longer able to have children, Jesus had a miraculous, unexplainable birth.