According to Christian theology (based on the New Testament), Jesus is the Son of God and God in the flesh (the Incarnation). This is a central belief of Christianity, often understood through the doctrine of the Trinity.

The Question: What is the nature of the afterlife destinations mentioned in the Bible? Key Verses & Explanation: John 14:2-3 (Heaven as a Place): "My Father's house has many rooms; if that were not so, would I have told you that I am going there to prepare a place for you? And if I go and prepare a place for you, I will come back and take you to be with me that you also may be where I...

The doctrine of the Trinity teaches that there is one God who eternally exists as three distinct persons: the Father, the Son (Jesus Christ), and the Holy Spirit. They are co-equal and co-eternal.

The Holy Spirit is the third person of the Trinity. He is often described as the Helper, Comforter, or Advocate who indwells believers, guides them into truth, and empowers them for Christian life and service.

The Bible does not name Cain's wife. Based on the Genesis narrative, she must have been a descendant of Adam and Eve (a sister or niece) as they were the first and only human couple on earth at that time. Intermarriage was necessary for humanity to populate the earth.