‘Where we come from’ is a rather mysterious thing. An individual can be seen as being the sum total of inherited biological material and programming. While this is correct, it is only half of the story.
The human being is indeed the result of the genetic inputs from all of his ancestors, which are ultimately handed on to him by his father and mother. This dictates much of whom he will be. But just as important, and just as necessary, is the input from the Author of Life, the Creator, God; that input which is the creation of all matter and spirit and of the whole human being.
You have the design and structure of the incredibly complex human form as well as the Breath of God Himself—with the spiritual inputs of the father and mother—to impart a human soul.