Where Do Babies Come From? I know! But, this is not about the birds and the bees. I've always considered babies to have come straight from Heaven because they are so innocent and trusting. So, when I became a Mormon, I believed their doctrine on spirit children. What about the belief that God knew us even before we were born? Does anyone else think this is possible? Does the Holy Bible say anything about their spirits living in Heaven before they arrive on earth?