(Old Testament) Cain and Abel were the first children of Adam and Eve born after the Fall of Man; Cain killed Abel out of jealousy and was exiled by God
"The biblical narrative reminds us that Cain's jealous rage led him to kill his brother Abel, resulting in his exile from Eden."
Alternative form of kain
"The archivist corrected the catalog entry, noting that "Cain" was merely an alternative spelling for Kain in older genealogical records."
The son of Adam and Eve who killed his brother Abel.
"According to the Bible, Cain was the son of Adam and Eve who murdered his brother Abel out of jealousy."