the baby boy was taken away four days after he was born in oregon to chalena mae moody , 25 , and her father , eric lee gates , 49 .
authorities say moody and gates , were living as a couple in springfield , before moving to klamath falls - they now have had two children .
pair did not know each other during moody 's childhood .
moody was married when she gave birth to child and already had three other children .