This Bible contradiction is from the Skeptic's Annotated Bible.

Verses

Yes, everyone is descended from Adam and Eve.

Genesis 3:20 View context

And Adam called his wife's name Eve; because she was the mother of all living.

Some are not.

Hebrews 7:3 View context

Without father, without mother, without descent, having neither beginning of days, nor end of life; but made like unto the Son of God; abideth a priest continually.