Hebrews 7:5-7 Those sons of Levi who receive the priestly office are indeed ordered by law to tithe the people (that is, their brothers), although the latter are descended from Abraham;

Moffatt⁽ⁱ⁾ ⁵ Those sons of Levi who receive the priestly office are indeed ordered by law to tithe the people (that is, their brothers), although the latter are descended from Abraham; ⁶ but he who had no Levitical genealogy actually tithed Abraham and blessed the possessor of the promises! ⁷ (And there is no question that it is the inferior who is blessed by the superior.)