Genesis 4:24

If Cain shall be avenged sevenfold, Truly Lamech seventy and sevenfold.

Genesis 4:15

And Jehovah said unto him, Therefore whosoever slayeth Cain, vengeance shall be taken on him sevenfold. And Jehovah appointed a sign for Cain, lest any finding him should smite him.

Matthew 18:22

Jesus saith unto him, I say not unto thee, Until seven times; but, Until seventy times seven.

Treasury of Scripture Knowledge

Summary

If Cain shall be avenged sevenfold, truly Lamech seventy and sevenfold.

Seventy

Bible References

If

Genesis 4:15
And Jehovah said unto him, Therefore whosoever slayeth Cain, vengeance shall be taken on him sevenfold. And Jehovah appointed a sign for Cain, lest any finding him should smite him.

Seventy

Matthew 18:22
Jesus saith unto him, I say not unto thee, Until seven times; but, Until seventy times seven.

American Standard Version Public Domain