After the death of Abel at the hand of Cain, Adam and Eve have a third son, Seth.
Tragedy strikes early in the life of Adam and Eve after being expelled from the Garden. They had two sons, Cain and Abel, but then Cain grew jealous and killed his brother.
This created a void in the family, which was soon occupied by a new son.
Seth is mentioned in the next chapter as well in a similar way.
God's covenant blessing would continue through the descendants of Seth, culminating in Jesus Christ.
Read more:Who is Shem in the Bible?