“And Cainan lived after he begat Mahalaleel eight hundred and forty years, and begat sons and daughters.”
Context and Background:Genesis 5 is a genealogy that traces the line of descent from Adam to Noah. It provides a chronological account of the descendants of Adam, their ages, and the number of years they lived. This chapter demonstrates God’s plan for humanity despite the presence of sin and its consequences.
Understanding Cainan:Cainan is mentioned in only two places in the Bible: here in Genesis 5:13 and in Luke 3:36. The mention in Luke is part of the genealogy of Jesus Christ, tracing His lineage back to Adam. The genealogy in Genesis 5 primarily focuses on the line leading to Noah, while Luke’s genealogy focuses on Jesus’ lineage.
Significance of the Genealogy:The genealogy in Genesis 5 emphasizes the longevity of the pre‑Flood patriarchs, highlighting the long lifespans of the early generations. These extended lifespans were gradually reduced after the Flood. The primary purpose of the genealogy is to establish a link from Adam to Noah, underscoring the continuity of God’s redemptive plan despite the increasing wickedness of humanity.
Human Longevity:The long lifespans of the pre‑Flood patriarchs remind us of the original design and purpose for human life. The decrease in lifespans following the Flood serves as a reminder of the impact of sin and the consequences it has brought upon humanity.
God’s Faithfulness:The genealogy in Genesis 5 also reveals God’s faithfulness in preserving the line of Adam and ultimately bringing forth Jesus Christ, the Savior of humanity. It demonstrates that even in the midst of human rebellion and sin, God remained committed to His plan of redemption.
Our Place in God’s Story:While individual names in the genealogy may seem insignificant, they represent real people who played a role in God’s unfolding plan. This reminds us that each of us has a part to play in God’s story, and our lives have significance in His overall plan for humanity.
Genealogies and Jesus:The mention of Cainan in Luke’s genealogy of Jesus serves as a reminder that Jesus came as the fulfillment of God’s promises and the ultimate solution to humanity’s sin problem. The inclusion of Cainan highlights the continuity of God’s redemptive plan throughout history.

