Question: "How christ was born, who was his real father?"
Christ was born through the Holy Spirit (God's spirit). He (Jesus) does not have any biological father because human blood is sinful and it could have corrupted Him. God who created the universe by His word and who created Adam (first man) without any biological father or mother the same God has sent His son though His spirit.
God who created Adam out of dust and breathed into his nostrils and he bacame living being. If God could do that then the birth of Jesus through virgin is not impossible for God.
Eve's birth was more amazing than Adam. God took the rib of Adam and created Eve (woman) out of it. Again Eve did not have biological parents. Today if you believe that dolly sheep and other animals could be created by cloning and if human can do it then how much more God who is the creator and maker of this world can do.
Here is how Jesus was born
Luke 1:30 Then the angel said to her, "Do not be afraid, Mary, for you have found favor with God. Luke 1:31 "And behold, you will conceive in your womb and bring forth a Son, and shall call His name JESUS.
Luke 1:34 Then Mary said to the angel, "How can this be, since I do not know a man?"
Mat 1:18 Now the birth of Jesus Christ was as follows: After His mother Mary was betrothed to Joseph, before they came together, she was found with child of the Holy Spirit.
Mat 1:19 Then Joseph her husband, being a just man, and not wanting to make her a public example, was minded to put her away secretly.
Mat 1:20 But while he thought about these things, behold, an angel of the Lord appeared to him in a dream, saying, "Joseph, son of David, do not be afraid to take to you Mary your wife, for that which is conceived in her is of the Holy Spirit.