Hebrews 7:5-9

5And verily they that are of the sons of Levi, who receive the office of the priesthood, have a commandment to take tithes of the people according to the law, that is, of their brethren, though they come out of the loins of Abraham:

6But he whose descent is not counted from them received tithes of Abraham, and blessed him that had the promises.

7And without all contradiction the less is blessed of the better.

8And here men that die receive tithes; but there he receiveth them, of whom it is witnessed that he liveth.

9And as I may so say, Levi also, who receiveth tithes, payed tithes in Abraham.