The Bible does not explicitly mention the identity of Cain’s wife. However, considering that Adam and Eve were the first humans and Cain was their son, the most plausible explanation is that Cain married one of his sisters or nieces. Genesis 4:17 states, “Cain knew his wife, and she conceived and bore Enoch.” This implies that Cain’s wife was a close relative, likely a daughter or granddaughter of Adam and Eve.
Intermarriage Among Adam and Eve’s Descendants
As Adam and Eve were the initial and sole human beings, their offspring had no alternative but to intermarry within the family. This was not prohibited by God until much later when the population had increased sufficiently to make inter-family marriage unnecessary (Leviticus 18:6–18).
Genetic Consequences of Incest
In modern times, incest often leads to genetic abnormalities due to the increased likelihood of recessive genetic traits becoming dominant when closely related individuals reproduce. When people from different family lines marry, the risk of both parents carrying the same recessive traits is significantly reduced.
Degradation of the Human Genetic Code
Adam and Eve were created without genetic defects, ensuring a higher level of health for themselves and their immediate descendants. However, with the introduction of sin into the world through Adam and Eve’s disobedience, the human genetic code became increasingly damaged over time. This deterioration resulted in the proliferation and amplification of genetic defects passed down through generations, leading to a compromised bloodline and increased susceptibility to sickness and disease among their descendants.
Theological Implications
It is essential to maintain theological consistency with mainstream Christian beliefs regarding the origins of humanity and the effects of sin on the human condition. While individual theological interpretations may vary, the overarching narrative of Adam and Eve as the first humans and the consequences of their disobedience shaping human history is universally accepted among Christians.