Hebrews 7:5-7

International Standard Version

⁵ The descendants of Levi who accept the priesthood have a commandment in the Law to collect a tenth from the people, that is, from their own brothers, even though they are also descendants of Abraham. ⁶ But this man, whose descent is not traced from them, collected a tenth from Abraham and blessed the man who had received the promises. ⁷ It is beyond dispute that the less important person is blessed by the more important person.