From the Hebrew Bible and Christian Bible (Old Testament), the Book of Genesis. Cain and Abel were brothers, and the first two sons of Adam and Eve. Abel was the younger brother who hunted and sacrificed animals to Yahweh/God. Cain was the elder who farmed and sacrificed plants for God, who supposedly favored Abel's gifts. One day, Cain was so jealous that he killed his own brother. God had forgiven him and agreed to shield him from evil. He migrated to the land of Nod.
Cain is a Bible name
Haven Cain's birth name is Haven Jude Cain.
Krisinda Cain's birth name is Krisinda Jeanette Cain.
Ace Cain's birth name is Horace Truman Cain.
Lynn Cain's birth name is Lynn Dwight Cain.
Sam Cain's birth name is Sam Wayne Cain.
Erin Cain's birth name is Erin Elizabeth Cain.
Lamont Cain's birth name is LaMont Terome Cain.
Cain Winstead's birth name is Richard Cain Winstead III.
Her last name is Edgley. (and Cain I guess!)
Dean Cain's birth name is Dean George Tanaka.
Jane Cain's birth name is Ethel Jane Cane.