Hebrews 7:4-6

Young's Literal Translation

⁴ And see how great this one [is], to whom also a tenth Abraham the patriarch did give out of the best of the spoils,

⁵ and those, indeed, out of the sons of Levi receiving the priesthood, a command have to take tithes from the people according to the law, that is, their brethren, even though they came forth out of the loins of Abraham;

⁶ and he who was not reckoned by genealogy of them, received tithes from Abraham, and him having the promises he hath blessed,