What was the relationship between Eve and Abel?
Eve was the mother of Abel, Cain’s brother. Genesis 4:2
What the Bible says
Genesis 4:2
And again she brought forth his brother Abel. And Abel was a shepherd, and Cain a husbandman.
Genesis 4:25
Adam also knew his wife again: and she brought forth a son, and called his name Seth, saying: God hath given me another seed, for Abel whom Cain slew.
Douay-Rheims Bible (Challoner revision), public domain.
Did you know?
When Seth was born, Eve said that God had given her another son in place of Abel. Genesis 4:25